| /* |
| * QLogic Fibre Channel HBA Driver |
| * Copyright (c) 2003-2014 QLogic Corporation |
| * |
| * See LICENSE.qla2xxx for copyright and licensing details. |
| */ |
| #include "qla_def.h" |
| #include "qla_target.h" |
| |
| #include <linux/delay.h> |
| #include <linux/slab.h> |
| #include <linux/cpu.h> |
| #include <linux/t10-pi.h> |
| #include <scsi/scsi_tcq.h> |
| #include <scsi/scsi_bsg_fc.h> |
| #include <scsi/scsi_eh.h> |
| #include <scsi/fc/fc_fs.h> |
| #include <linux/nvme-fc-driver.h> |
| |
| static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); |
| static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *); |
| static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *); |
| static int qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *, |
| sts_entry_t *); |
| |
| /** |
| * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. |
| * @irq: |
| * @dev_id: SCSI driver HA context |
| * |
| * Called by system whenever the host adapter generates an interrupt. |
| * |
| * Returns handled flag. |
| */ |
| irqreturn_t |
| qla2100_intr_handler(int irq, void *dev_id) |
| { |
| scsi_qla_host_t *vha; |
| struct qla_hw_data *ha; |
| struct device_reg_2xxx __iomem *reg; |
| int status; |
| unsigned long iter; |
| uint16_t hccr; |
| uint16_t mb[4]; |
| struct rsp_que *rsp; |
| unsigned long flags; |
| |
| rsp = (struct rsp_que *) dev_id; |
| if (!rsp) { |
| ql_log(ql_log_info, NULL, 0x505d, |
| "%s: NULL response queue pointer.\n", __func__); |
| return (IRQ_NONE); |
| } |
| |
| ha = rsp->hw; |
| reg = &ha->iobase->isp; |
| status = 0; |
| |
| spin_lock_irqsave(&ha->hardware_lock, flags); |
| vha = pci_get_drvdata(ha->pdev); |
| for (iter = 50; iter--; ) { |
| hccr = RD_REG_WORD(®->hccr); |
| if (qla2x00_check_reg16_for_disconnect(vha, hccr)) |
| break; |
| if (hccr & HCCR_RISC_PAUSE) { |
| if (pci_channel_offline(ha->pdev)) |
| break; |
| |
| /* |
| * Issue a "HARD" reset in order for the RISC interrupt |
| * bit to be cleared. Schedule a big hammer to get |
| * out of the RISC PAUSED state. |
| */ |
| WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); |
| RD_REG_WORD(®->hccr); |
| |
| ha->isp_ops->fw_dump(vha, 1); |
| set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
| break; |
| } else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0) |
| break; |
| |
| if (RD_REG_WORD(®->semaphore) & BIT_0) { |
| WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); |
| RD_REG_WORD(®->hccr); |
| |
| /* Get mailbox data. */ |
| mb[0] = RD_MAILBOX_REG(ha, reg, 0); |
| if (mb[0] > 0x3fff && mb[0] < 0x8000) { |
| qla2x00_mbx_completion(vha, mb[0]); |
| status |= MBX_INTERRUPT; |
| } else if (mb[0] > 0x7fff && mb[0] < 0xc000) { |
| mb[1] = RD_MAILBOX_REG(ha, reg, 1); |
| mb[2] = RD_MAILBOX_REG(ha, reg, 2); |
| mb[3] = RD_MAILBOX_REG(ha, reg, 3); |
| qla2x00_async_event(vha, rsp, mb); |
| } else { |
| /*EMPTY*/ |
| ql_dbg(ql_dbg_async, vha, 0x5025, |
| "Unrecognized interrupt type (%d).\n", |
| mb[0]); |
| } |
| /* Release mailbox registers. */ |
| WRT_REG_WORD(®->semaphore, 0); |
| RD_REG_WORD(®->semaphore); |
| } else { |
| qla2x00_process_response_queue(rsp); |
| |
| WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); |
| RD_REG_WORD(®->hccr); |
| } |
| } |
| qla2x00_handle_mbx_completion(ha, status); |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| |
| return (IRQ_HANDLED); |
| } |
| |
| bool |
| qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg) |
| { |
| /* Check for PCI disconnection */ |
| if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) { |
| if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) && |
| !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) && |
| !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) { |
| /* |
| * Schedule this (only once) on the default system |
| * workqueue so that all the adapter workqueues and the |
| * DPC thread can be shutdown cleanly. |
| */ |
| schedule_work(&vha->hw->board_disable); |
| } |
| return true; |
| } else |
| return false; |
| } |
| |
| bool |
| qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg) |
| { |
| return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg); |
| } |
| |
| /** |
| * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. |
| * @irq: |
| * @dev_id: SCSI driver HA context |
| * |
| * Called by system whenever the host adapter generates an interrupt. |
| * |
| * Returns handled flag. |
| */ |
| irqreturn_t |
| qla2300_intr_handler(int irq, void *dev_id) |
| { |
| scsi_qla_host_t *vha; |
| struct device_reg_2xxx __iomem *reg; |
| int status; |
| unsigned long iter; |
| uint32_t stat; |
| uint16_t hccr; |
| uint16_t mb[4]; |
| struct rsp_que *rsp; |
| struct qla_hw_data *ha; |
| unsigned long flags; |
| |
| rsp = (struct rsp_que *) dev_id; |
| if (!rsp) { |
| ql_log(ql_log_info, NULL, 0x5058, |
| "%s: NULL response queue pointer.\n", __func__); |
| return (IRQ_NONE); |
| } |
| |
| ha = rsp->hw; |
| reg = &ha->iobase->isp; |
| status = 0; |
| |
| spin_lock_irqsave(&ha->hardware_lock, flags); |
| vha = pci_get_drvdata(ha->pdev); |
| for (iter = 50; iter--; ) { |
| stat = RD_REG_DWORD(®->u.isp2300.host_status); |
| if (qla2x00_check_reg32_for_disconnect(vha, stat)) |
| break; |
| if (stat & HSR_RISC_PAUSED) { |
| if (unlikely(pci_channel_offline(ha->pdev))) |
| break; |
| |
| hccr = RD_REG_WORD(®->hccr); |
| |
| if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8)) |
| ql_log(ql_log_warn, vha, 0x5026, |
| "Parity error -- HCCR=%x, Dumping " |
| "firmware.\n", hccr); |
| else |
| ql_log(ql_log_warn, vha, 0x5027, |
| "RISC paused -- HCCR=%x, Dumping " |
| "firmware.\n", hccr); |
| |
| /* |
| * Issue a "HARD" reset in order for the RISC |
| * interrupt bit to be cleared. Schedule a big |
| * hammer to get out of the RISC PAUSED state. |
| */ |
| WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); |
| RD_REG_WORD(®->hccr); |
| |
| ha->isp_ops->fw_dump(vha, 1); |
| set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
| break; |
| } else if ((stat & HSR_RISC_INT) == 0) |
| break; |
| |
| switch (stat & 0xff) { |
| case 0x1: |
| case 0x2: |
| case 0x10: |
| case 0x11: |
| qla2x00_mbx_completion(vha, MSW(stat)); |
| status |= MBX_INTERRUPT; |
| |
| /* Release mailbox registers. */ |
| WRT_REG_WORD(®->semaphore, 0); |
| break; |
| case 0x12: |
| mb[0] = MSW(stat); |
| mb[1] = RD_MAILBOX_REG(ha, reg, 1); |
| mb[2] = RD_MAILBOX_REG(ha, reg, 2); |
| mb[3] = RD_MAILBOX_REG(ha, reg, 3); |
| qla2x00_async_event(vha, rsp, mb); |
| break; |
| case 0x13: |
| qla2x00_process_response_queue(rsp); |
| break; |
| case 0x15: |
| mb[0] = MBA_CMPLT_1_16BIT; |
| mb[1] = MSW(stat); |
| qla2x00_async_event(vha, rsp, mb); |
| break; |
| case 0x16: |
| mb[0] = MBA_SCSI_COMPLETION; |
| mb[1] = MSW(stat); |
| mb[2] = RD_MAILBOX_REG(ha, reg, 2); |
| qla2x00_async_event(vha, rsp, mb); |
| break; |
| default: |
| ql_dbg(ql_dbg_async, vha, 0x5028, |
| "Unrecognized interrupt type (%d).\n", stat & 0xff); |
| break; |
| } |
| WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); |
| RD_REG_WORD_RELAXED(®->hccr); |
| } |
| qla2x00_handle_mbx_completion(ha, status); |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| |
| return (IRQ_HANDLED); |
| } |
| |
| /** |
| * qla2x00_mbx_completion() - Process mailbox command completions. |
| * @vha: SCSI driver HA context |
| * @mb0: Mailbox0 register |
| */ |
| static void |
| qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) |
| { |
| uint16_t cnt; |
| uint32_t mboxes; |
| uint16_t __iomem *wptr; |
| struct qla_hw_data *ha = vha->hw; |
| struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
| |
| /* Read all mbox registers? */ |
| WARN_ON_ONCE(ha->mbx_count > 32); |
| mboxes = (1ULL << ha->mbx_count) - 1; |
| if (!ha->mcp) |
| ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n"); |
| else |
| mboxes = ha->mcp->in_mb; |
| |
| /* Load return mailbox registers. */ |
| ha->flags.mbox_int = 1; |
| ha->mailbox_out[0] = mb0; |
| mboxes >>= 1; |
| wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1); |
| |
| for (cnt = 1; cnt < ha->mbx_count; cnt++) { |
| if (IS_QLA2200(ha) && cnt == 8) |
| wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8); |
| if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0)) |
| ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); |
| else if (mboxes & BIT_0) |
| ha->mailbox_out[cnt] = RD_REG_WORD(wptr); |
| |
| wptr++; |
| mboxes >>= 1; |
| } |
| } |
| |
| static void |
| qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) |
| { |
| static char *event[] = |
| { "Complete", "Request Notification", "Time Extension" }; |
| int rval; |
| struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24; |
| struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82; |
| uint16_t __iomem *wptr; |
| uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS]; |
| |
| /* Seed data -- mailbox1 -> mailbox7. */ |
| if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw)) |
| wptr = (uint16_t __iomem *)®24->mailbox1; |
| else if (IS_QLA8044(vha->hw)) |
| wptr = (uint16_t __iomem *)®82->mailbox_out[1]; |
| else |
| return; |
| |
| for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++) |
| mb[cnt] = RD_REG_WORD(wptr); |
| |
| ql_dbg(ql_dbg_async, vha, 0x5021, |
| "Inter-Driver Communication %s -- " |
| "%04x %04x %04x %04x %04x %04x %04x.\n", |
| event[aen & 0xff], mb[0], mb[1], mb[2], mb[3], |
| mb[4], mb[5], mb[6]); |
| switch (aen) { |
| /* Handle IDC Error completion case. */ |
| case MBA_IDC_COMPLETE: |
| if (mb[1] >> 15) { |
| vha->hw->flags.idc_compl_status = 1; |
| if (vha->hw->notify_dcbx_comp && !vha->vp_idx) |
| complete(&vha->hw->dcbx_comp); |
| } |
| break; |
| |
| case MBA_IDC_NOTIFY: |
| /* Acknowledgement needed? [Notify && non-zero timeout]. */ |
| timeout = (descr >> 8) & 0xf; |
| ql_dbg(ql_dbg_async, vha, 0x5022, |
| "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n", |
| vha->host_no, event[aen & 0xff], timeout); |
| |
| if (!timeout) |
| return; |
| rval = qla2x00_post_idc_ack_work(vha, mb); |
| if (rval != QLA_SUCCESS) |
| ql_log(ql_log_warn, vha, 0x5023, |
| "IDC failed to post ACK.\n"); |
| break; |
| case MBA_IDC_TIME_EXT: |
| vha->hw->idc_extend_tmo = descr; |
| ql_dbg(ql_dbg_async, vha, 0x5087, |
| "%lu Inter-Driver Communication %s -- " |
| "Extend timeout by=%d.\n", |
| vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo); |
| break; |
| } |
| } |
| |
| #define LS_UNKNOWN 2 |
| const char * |
| qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed) |
| { |
| static const char *const link_speeds[] = { |
| "1", "2", "?", "4", "8", "16", "32", "10" |
| }; |
| #define QLA_LAST_SPEED 7 |
| |
| if (IS_QLA2100(ha) || IS_QLA2200(ha)) |
| return link_speeds[0]; |
| else if (speed == 0x13) |
| return link_speeds[QLA_LAST_SPEED]; |
| else if (speed < QLA_LAST_SPEED) |
| return link_speeds[speed]; |
| else |
| return link_speeds[LS_UNKNOWN]; |
| } |
| |
| static void |
| qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb) |
| { |
| struct qla_hw_data *ha = vha->hw; |
| |
| /* |
| * 8200 AEN Interpretation: |
| * mb[0] = AEN code |
| * mb[1] = AEN Reason code |
| * mb[2] = LSW of Peg-Halt Status-1 Register |
| * mb[6] = MSW of Peg-Halt Status-1 Register |
| * mb[3] = LSW of Peg-Halt Status-2 register |
| * mb[7] = MSW of Peg-Halt Status-2 register |
| * mb[4] = IDC Device-State Register value |
| * mb[5] = IDC Driver-Presence Register value |
| */ |
| ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: " |
| "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n", |
| mb[0], mb[1], mb[2], mb[6]); |
| ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x " |
| "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x " |
| "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]); |
| |
| if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE | |
| IDC_HEARTBEAT_FAILURE)) { |
| ha->flags.nic_core_hung = 1; |
| ql_log(ql_log_warn, vha, 0x5060, |
| "83XX: F/W Error Reported: Check if reset required.\n"); |
| |
| if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) { |
| uint32_t protocol_engine_id, fw_err_code, err_level; |
| |
| /* |
| * IDC_PEG_HALT_STATUS_CHANGE interpretation: |
| * - PEG-Halt Status-1 Register: |
| * (LSW = mb[2], MSW = mb[6]) |
| * Bits 0-7 = protocol-engine ID |
| * Bits 8-28 = f/w error code |
| * Bits 29-31 = Error-level |
| * Error-level 0x1 = Non-Fatal error |
| * Error-level 0x2 = Recoverable Fatal error |
| * Error-level 0x4 = UnRecoverable Fatal error |
| * - PEG-Halt Status-2 Register: |
| * (LSW = mb[3], MSW = mb[7]) |
| */ |
| protocol_engine_id = (mb[2] & 0xff); |
| fw_err_code = (((mb[2] & 0xff00) >> 8) | |
| ((mb[6] & 0x1fff) << 8)); |
| err_level = ((mb[6] & 0xe000) >> 13); |
| ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 " |
| "Register: protocol_engine_id=0x%x " |
| "fw_err_code=0x%x err_level=0x%x.\n", |
| protocol_engine_id, fw_err_code, err_level); |
| ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 " |
| "Register: 0x%x%x.\n", mb[7], mb[3]); |
| if (err_level == ERR_LEVEL_NON_FATAL) { |
| ql_log(ql_log_warn, vha, 0x5063, |
| "Not a fatal error, f/w has recovered itself.\n"); |
| } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) { |
| ql_log(ql_log_fatal, vha, 0x5064, |
| "Recoverable Fatal error: Chip reset " |
| "required.\n"); |
| qla83xx_schedule_work(vha, |
| QLA83XX_NIC_CORE_RESET); |
| } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) { |
| ql_log(ql_log_fatal, vha, 0x5065, |
| "Unrecoverable Fatal error: Set FAILED " |
| "state, reboot required.\n"); |
| qla83xx_schedule_work(vha, |
| QLA83XX_NIC_CORE_UNRECOVERABLE); |
| } |
| } |
| |
| if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) { |
| uint16_t peg_fw_state, nw_interface_link_up; |
| uint16_t nw_interface_signal_detect, sfp_status; |
| uint16_t htbt_counter, htbt_monitor_enable; |
| uint16_t sfp_additional_info, sfp_multirate; |
| uint16_t sfp_tx_fault, link_speed, dcbx_status; |
| |
| /* |
| * IDC_NIC_FW_REPORTED_FAILURE interpretation: |
| * - PEG-to-FC Status Register: |
| * (LSW = mb[2], MSW = mb[6]) |
| * Bits 0-7 = Peg-Firmware state |
| * Bit 8 = N/W Interface Link-up |
| * Bit 9 = N/W Interface signal detected |
| * Bits 10-11 = SFP Status |
| * SFP Status 0x0 = SFP+ transceiver not expected |
| * SFP Status 0x1 = SFP+ transceiver not present |
| * SFP Status 0x2 = SFP+ transceiver invalid |
| * SFP Status 0x3 = SFP+ transceiver present and |
| * valid |
| * Bits 12-14 = Heartbeat Counter |
| * Bit 15 = Heartbeat Monitor Enable |
| * Bits 16-17 = SFP Additional Info |
| * SFP info 0x0 = Unregocnized transceiver for |
| * Ethernet |
| * SFP info 0x1 = SFP+ brand validation failed |
| * SFP info 0x2 = SFP+ speed validation failed |
| * SFP info 0x3 = SFP+ access error |
| * Bit 18 = SFP Multirate |
| * Bit 19 = SFP Tx Fault |
| * Bits 20-22 = Link Speed |
| * Bits 23-27 = Reserved |
| * Bits 28-30 = DCBX Status |
| * DCBX Status 0x0 = DCBX Disabled |
| * DCBX Status 0x1 = DCBX Enabled |
| * DCBX Status 0x2 = DCBX Exchange error |
| * Bit 31 = Reserved |
| */ |
| peg_fw_state = (mb[2] & 0x00ff); |
| nw_interface_link_up = ((mb[2] & 0x0100) >> 8); |
| nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9); |
| sfp_status = ((mb[2] & 0x0c00) >> 10); |
| htbt_counter = ((mb[2] & 0x7000) >> 12); |
| htbt_monitor_enable = ((mb[2] & 0x8000) >> 15); |
| sfp_additional_info = (mb[6] & 0x0003); |
| sfp_multirate = ((mb[6] & 0x0004) >> 2); |
| sfp_tx_fault = ((mb[6] & 0x0008) >> 3); |
| link_speed = ((mb[6] & 0x0070) >> 4); |
| dcbx_status = ((mb[6] & 0x7000) >> 12); |
| |
| ql_log(ql_log_warn, vha, 0x5066, |
| "Peg-to-Fc Status Register:\n" |
| "peg_fw_state=0x%x, nw_interface_link_up=0x%x, " |
| "nw_interface_signal_detect=0x%x" |
| "\nsfp_statis=0x%x.\n ", peg_fw_state, |
| nw_interface_link_up, nw_interface_signal_detect, |
| sfp_status); |
| ql_log(ql_log_warn, vha, 0x5067, |
| "htbt_counter=0x%x, htbt_monitor_enable=0x%x, " |
| "sfp_additional_info=0x%x, sfp_multirate=0x%x.\n ", |
| htbt_counter, htbt_monitor_enable, |
| sfp_additional_info, sfp_multirate); |
| ql_log(ql_log_warn, vha, 0x5068, |
| "sfp_tx_fault=0x%x, link_state=0x%x, " |
| "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed, |
| dcbx_status); |
| |
| qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); |
| } |
| |
| if (mb[1] & IDC_HEARTBEAT_FAILURE) { |
| ql_log(ql_log_warn, vha, 0x5069, |
| "Heartbeat Failure encountered, chip reset " |
| "required.\n"); |
| |
| qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); |
| } |
| } |
| |
| if (mb[1] & IDC_DEVICE_STATE_CHANGE) { |
| ql_log(ql_log_info, vha, 0x506a, |
| "IDC Device-State changed = 0x%x.\n", mb[4]); |
| if (ha->flags.nic_core_reset_owner) |
| return; |
| qla83xx_schedule_work(vha, MBA_IDC_AEN); |
| } |
| } |
| |
| int |
| qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry) |
| { |
| struct qla_hw_data *ha = vha->hw; |
| scsi_qla_host_t *vp; |
| uint32_t vp_did; |
| unsigned long flags; |
| int ret = 0; |
| |
| if (!ha->num_vhosts) |
| return ret; |
| |
| spin_lock_irqsave(&ha->vport_slock, flags); |
| list_for_each_entry(vp, &ha->vp_list, list) { |
| vp_did = vp->d_id.b24; |
| if (vp_did == rscn_entry) { |
| ret = 1; |
| break; |
| } |
| } |
| spin_unlock_irqrestore(&ha->vport_slock, flags); |
| |
| return ret; |
| } |
| |
| fc_port_t * |
| qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id) |
| { |
| fc_port_t *f, *tf; |
| |
| f = tf = NULL; |
| list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) |
| if (f->loop_id == loop_id) |
| return f; |
| return NULL; |
| } |
| |
| fc_port_t * |
| qla2x00_find_fcport_by_wwpn(scsi_qla_host_t *vha, u8 *wwpn, u8 incl_deleted) |
| { |
| fc_port_t *f, *tf; |
| |
| f = tf = NULL; |
| list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { |
| if (memcmp(f->port_name, wwpn, WWN_SIZE) == 0) { |
| if (incl_deleted) |
| return f; |
| else if (f->deleted == 0) |
| return f; |
| } |
| } |
| return NULL; |
| } |
| |
| fc_port_t * |
| qla2x00_find_fcport_by_nportid(scsi_qla_host_t *vha, port_id_t *id, |
| u8 incl_deleted) |
| { |
| fc_port_t *f, *tf; |
| |
| f = tf = NULL; |
| list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { |
| if (f->d_id.b24 == id->b24) { |
| if (incl_deleted) |
| return f; |
| else if (f->deleted == 0) |
| return f; |
| } |
| } |
| return NULL; |
| } |
| |
| /** |
| * qla2x00_async_event() - Process aynchronous events. |
| * @vha: SCSI driver HA context |
| * @rsp: response queue |
| * @mb: Mailbox registers (0 - 3) |
| */ |
| void |
| qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) |
| { |
| uint16_t handle_cnt; |
| uint16_t cnt, mbx; |
| uint32_t handles[5]; |
| struct qla_hw_data *ha = vha->hw; |
| struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
| struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; |
| struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; |
| uint32_t rscn_entry, host_pid; |
| unsigned long flags; |
| fc_port_t *fcport = NULL; |
| |
| /* Setup to process RIO completion. */ |
| handle_cnt = 0; |
| if (IS_CNA_CAPABLE(ha)) |
| goto skip_rio; |
| switch (mb[0]) { |
| case MBA_SCSI_COMPLETION: |
| handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
| handle_cnt = 1; |
| break; |
| case MBA_CMPLT_1_16BIT: |
| handles[0] = mb[1]; |
| handle_cnt = 1; |
| mb[0] = MBA_SCSI_COMPLETION; |
| break; |
| case MBA_CMPLT_2_16BIT: |
| handles[0] = mb[1]; |
| handles[1] = mb[2]; |
| handle_cnt = 2; |
| mb[0] = MBA_SCSI_COMPLETION; |
| break; |
| case MBA_CMPLT_3_16BIT: |
| handles[0] = mb[1]; |
| handles[1] = mb[2]; |
| handles[2] = mb[3]; |
| handle_cnt = 3; |
| mb[0] = MBA_SCSI_COMPLETION; |
| break; |
| case MBA_CMPLT_4_16BIT: |
| handles[0] = mb[1]; |
| handles[1] = mb[2]; |
| handles[2] = mb[3]; |
| handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
| handle_cnt = 4; |
| mb[0] = MBA_SCSI_COMPLETION; |
| break; |
| case MBA_CMPLT_5_16BIT: |
| handles[0] = mb[1]; |
| handles[1] = mb[2]; |
| handles[2] = mb[3]; |
| handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
| handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); |
| handle_cnt = 5; |
| mb[0] = MBA_SCSI_COMPLETION; |
| break; |
| case MBA_CMPLT_2_32BIT: |
| handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
| handles[1] = le32_to_cpu( |
| ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | |
| RD_MAILBOX_REG(ha, reg, 6)); |
| handle_cnt = 2; |
| mb[0] = MBA_SCSI_COMPLETION; |
| break; |
| default: |
| break; |
| } |
| skip_rio: |
| switch (mb[0]) { |
| case MBA_SCSI_COMPLETION: /* Fast Post */ |
| if (!vha->flags.online) |
| break; |
| |
| for (cnt = 0; cnt < handle_cnt; cnt++) |
| qla2x00_process_completed_request(vha, rsp->req, |
| handles[cnt]); |
| break; |
| |
| case MBA_RESET: /* Reset */ |
| ql_dbg(ql_dbg_async, vha, 0x5002, |
| "Asynchronous RESET.\n"); |
| |
| set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
| break; |
| |
| case MBA_SYSTEM_ERR: /* System Error */ |
| mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) ? |
| RD_REG_WORD(®24->mailbox7) : 0; |
| ql_log(ql_log_warn, vha, 0x5003, |
| "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh " |
| "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx); |
| |
| ha->isp_ops->fw_dump(vha, 1); |
| ha->flags.fw_init_done = 0; |
| QLA_FW_STOPPED(ha); |
| |
| if (IS_FWI2_CAPABLE(ha)) { |
| if (mb[1] == 0 && mb[2] == 0) { |
| ql_log(ql_log_fatal, vha, 0x5004, |
| "Unrecoverable Hardware Error: adapter " |
| "marked OFFLINE!\n"); |
| vha->flags.online = 0; |
| vha->device_flags |= DFLG_DEV_FAILED; |
| } else { |
| /* Check to see if MPI timeout occurred */ |
| if ((mbx & MBX_3) && (ha->port_no == 0)) |
| set_bit(MPI_RESET_NEEDED, |
| &vha->dpc_flags); |
| |
| set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
| } |
| } else if (mb[1] == 0) { |
| ql_log(ql_log_fatal, vha, 0x5005, |
| "Unrecoverable Hardware Error: adapter marked " |
| "OFFLINE!\n"); |
| vha->flags.online = 0; |
| vha->device_flags |= DFLG_DEV_FAILED; |
| } else |
| set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
| break; |
| |
| case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ |
| ql_log(ql_log_warn, vha, 0x5006, |
| "ISP Request Transfer Error (%x).\n", mb[1]); |
| |
| set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
| break; |
| |
| case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ |
| ql_log(ql_log_warn, vha, 0x5007, |
| "ISP Response Transfer Error (%x).\n", mb[1]); |
| |
| set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
| break; |
| |
| case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ |
| ql_dbg(ql_dbg_async, vha, 0x5008, |
| "Asynchronous WAKEUP_THRES (%x).\n", mb[1]); |
| break; |
| |
| case MBA_LOOP_INIT_ERR: |
| ql_log(ql_log_warn, vha, 0x5090, |
| "LOOP INIT ERROR (%x).\n", mb[1]); |
| ha->isp_ops->fw_dump(vha, 1); |
| set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
| break; |
| |
| case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ |
| ha->flags.lip_ae = 1; |
| |
| ql_dbg(ql_dbg_async, vha, 0x5009, |
| "LIP occurred (%x).\n", mb[1]); |
| |
| if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
| atomic_set(&vha->loop_state, LOOP_DOWN); |
| atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); |
| qla2x00_mark_all_devices_lost(vha, 1); |
| } |
| |
| if (vha->vp_idx) { |
| atomic_set(&vha->vp_state, VP_FAILED); |
| fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); |
| } |
| |
| set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); |
| set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); |
| |
| vha->flags.management_server_logged_in = 0; |
| qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); |
| break; |
| |
| case MBA_LOOP_UP: /* Loop Up Event */ |
| if (IS_QLA2100(ha) || IS_QLA2200(ha)) |
| ha->link_data_rate = PORT_SPEED_1GB; |
| else |
| ha->link_data_rate = mb[1]; |
| |
| ql_log(ql_log_info, vha, 0x500a, |
| "LOOP UP detected (%s Gbps).\n", |
| qla2x00_get_link_speed_str(ha, ha->link_data_rate)); |
| |
| vha->flags.management_server_logged_in = 0; |
| qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); |
| |
| if (AUTO_DETECT_SFP_SUPPORT(vha)) { |
| set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags); |
| qla2xxx_wake_dpc(vha); |
| } |
| break; |
| |
| case MBA_LOOP_DOWN: /* Loop Down Event */ |
| SAVE_TOPO(ha); |
| ha->flags.lip_ae = 0; |
| ha->current_topology = 0; |
| |
| mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha)) |
| ? RD_REG_WORD(®24->mailbox4) : 0; |
| mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(®82->mailbox_out[4]) |
| : mbx; |
| ql_log(ql_log_info, vha, 0x500b, |
| "LOOP DOWN detected (%x %x %x %x).\n", |
| mb[1], mb[2], mb[3], mbx); |
| |
| if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
| atomic_set(&vha->loop_state, LOOP_DOWN); |
| atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); |
| /* |
| * In case of loop down, restore WWPN from |
| * NVRAM in case of FA-WWPN capable ISP |
| * Restore for Physical Port only |
| */ |
| if (!vha->vp_idx) { |
| if (ha->flags.fawwpn_enabled) { |
| void *wwpn = ha->init_cb->port_name; |
| memcpy(vha->port_name, wwpn, WWN_SIZE); |
| fc_host_port_name(vha->host) = |
| wwn_to_u64(vha->port_name); |
| ql_dbg(ql_dbg_init + ql_dbg_verbose, |
| vha, 0x00d8, "LOOP DOWN detected," |
| "restore WWPN %016llx\n", |
| wwn_to_u64(vha->port_name)); |
| } |
| |
| clear_bit(VP_CONFIG_OK, &vha->vp_flags); |
| } |
| |
| vha->device_flags |= DFLG_NO_CABLE; |
| qla2x00_mark_all_devices_lost(vha, 1); |
| } |
| |
| if (vha->vp_idx) { |
| atomic_set(&vha->vp_state, VP_FAILED); |
| fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); |
| } |
| |
| vha->flags.management_server_logged_in = 0; |
| ha->link_data_rate = PORT_SPEED_UNKNOWN; |
| qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); |
| break; |
| |
| case MBA_LIP_RESET: /* LIP reset occurred */ |
| ql_dbg(ql_dbg_async, vha, 0x500c, |
| "LIP reset occurred (%x).\n", mb[1]); |
| |
| if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
| atomic_set(&vha->loop_state, LOOP_DOWN); |
| atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); |
| qla2x00_mark_all_devices_lost(vha, 1); |
| } |
| |
| if (vha->vp_idx) { |
| atomic_set(&vha->vp_state, VP_FAILED); |
| fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); |
| } |
| |
| set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
| |
| ha->operating_mode = LOOP; |
| vha->flags.management_server_logged_in = 0; |
| qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); |
| break; |
| |
| /* case MBA_DCBX_COMPLETE: */ |
| case MBA_POINT_TO_POINT: /* Point-to-Point */ |
| ha->flags.lip_ae = 0; |
| |
| if (IS_QLA2100(ha)) |
| break; |
| |
| if (IS_CNA_CAPABLE(ha)) { |
| ql_dbg(ql_dbg_async, vha, 0x500d, |
| "DCBX Completed -- %04x %04x %04x.\n", |
| mb[1], mb[2], mb[3]); |
| if (ha->notify_dcbx_comp && !vha->vp_idx) |
| complete(&ha->dcbx_comp); |
| |
| } else |
| ql_dbg(ql_dbg_async, vha, 0x500e, |
| "Asynchronous P2P MODE received.\n"); |
| |
| /* |
| * Until there's a transition from loop down to loop up, treat |
| * this as loop down only. |
| */ |
| if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
| atomic_set(&vha->loop_state, LOOP_DOWN); |
| if (!atomic_read(&vha->loop_down_timer)) |
| atomic_set(&vha->loop_down_timer, |
| LOOP_DOWN_TIME); |
| qla2x00_mark_all_devices_lost(vha, 1); |
| } |
| |
| if (vha->vp_idx) { |
| atomic_set(&vha->vp_state, VP_FAILED); |
| fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); |
| } |
| |
| if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) |
| set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
| |
| set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); |
| set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); |
| |
| vha->flags.management_server_logged_in = 0; |
| break; |
| |
| case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ |
| if (IS_QLA2100(ha)) |
| break; |
| |
| ql_dbg(ql_dbg_async, vha, 0x500f, |
| "Configuration change detected: value=%x.\n", mb[1]); |
| |
| if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
| atomic_set(&vha->loop_state, LOOP_DOWN); |
| if (!atomic_read(&vha->loop_down_timer)) |
| atomic_set(&vha->loop_down_timer, |
| LOOP_DOWN_TIME); |
| qla2x00_mark_all_devices_lost(vha, 1); |
| } |
| |
| if (vha->vp_idx) { |
| atomic_set(&vha->vp_state, VP_FAILED); |
| fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); |
| } |
| |
| set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
| set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); |
| break; |
| |
| case MBA_PORT_UPDATE: /* Port database update */ |
| /* |
| * Handle only global and vn-port update events |
| * |
| * Relevant inputs: |
| * mb[1] = N_Port handle of changed port |
| * OR 0xffff for global event |
| * mb[2] = New login state |
| * 7 = Port logged out |
| * mb[3] = LSB is vp_idx, 0xff = all vps |
| * |
| * Skip processing if: |
| * Event is global, vp_idx is NOT all vps, |
| * vp_idx does not match |
| * Event is not global, vp_idx does not match |
| */ |
| if (IS_QLA2XXX_MIDTYPE(ha) && |
| ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) || |
| (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff)) |
| break; |
| |
| if (mb[2] == 0x7) { |
| ql_dbg(ql_dbg_async, vha, 0x5010, |
| "Port %s %04x %04x %04x.\n", |
| mb[1] == 0xffff ? "unavailable" : "logout", |
| mb[1], mb[2], mb[3]); |
| |
| if (mb[1] == 0xffff) |
| goto global_port_update; |
| |
| if (mb[1] == NPH_SNS_LID(ha)) { |
| set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
| set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); |
| break; |
| } |
| |
| /* use handle_cnt for loop id/nport handle */ |
| if (IS_FWI2_CAPABLE(ha)) |
| handle_cnt = NPH_SNS; |
| else |
| handle_cnt = SIMPLE_NAME_SERVER; |
| if (mb[1] == handle_cnt) { |
| set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
| set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); |
| break; |
| } |
| |
| /* Port logout */ |
| fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]); |
| if (!fcport) |
| break; |
| if (atomic_read(&fcport->state) != FCS_ONLINE) |
| break; |
| ql_dbg(ql_dbg_async, vha, 0x508a, |
| "Marking port lost loopid=%04x portid=%06x.\n", |
| fcport->loop_id, fcport->d_id.b24); |
| if (qla_ini_mode_enabled(vha)) { |
| qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); |
| fcport->logout_on_delete = 0; |
| qlt_schedule_sess_for_deletion(fcport); |
| } |
| break; |
| |
| global_port_update: |
| if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
| atomic_set(&vha->loop_state, LOOP_DOWN); |
| atomic_set(&vha->loop_down_timer, |
| LOOP_DOWN_TIME); |
| vha->device_flags |= DFLG_NO_CABLE; |
| qla2x00_mark_all_devices_lost(vha, 1); |
| } |
| |
| if (vha->vp_idx) { |
| atomic_set(&vha->vp_state, VP_FAILED); |
| fc_vport_set_state(vha->fc_vport, |
| FC_VPORT_FAILED); |
| qla2x00_mark_all_devices_lost(vha, 1); |
| } |
| |
| vha->flags.management_server_logged_in = 0; |
| ha->link_data_rate = PORT_SPEED_UNKNOWN; |
| break; |
| } |
| |
| /* |
| * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET |
| * event etc. earlier indicating loop is down) then process |
| * it. Otherwise ignore it and Wait for RSCN to come in. |
| */ |
| atomic_set(&vha->loop_down_timer, 0); |
| if (atomic_read(&vha->loop_state) != LOOP_DOWN && |
| !ha->flags.n2n_ae && |
| atomic_read(&vha->loop_state) != LOOP_DEAD) { |
| ql_dbg(ql_dbg_async, vha, 0x5011, |
| "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n", |
| mb[1], mb[2], mb[3]); |
| |
| qlt_async_event(mb[0], vha, mb); |
| break; |
| } |
| |
| ql_dbg(ql_dbg_async, vha, 0x5012, |
| "Port database changed %04x %04x %04x.\n", |
| mb[1], mb[2], mb[3]); |
| |
| /* |
| * Mark all devices as missing so we will login again. |
| */ |
| atomic_set(&vha->loop_state, LOOP_UP); |
| vha->scan.scan_retry = 0; |
| |
| set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
| set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); |
| set_bit(VP_CONFIG_OK, &vha->vp_flags); |
| |
| qlt_async_event(mb[0], vha, mb); |
| break; |
| |
| case MBA_RSCN_UPDATE: /* State Change Registration */ |
| /* Check if the Vport has issued a SCR */ |
| if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) |
| break; |
| /* Only handle SCNs for our Vport index. */ |
| if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) |
| break; |
| |
| ql_dbg(ql_dbg_async, vha, 0x5013, |
| "RSCN database changed -- %04x %04x %04x.\n", |
| mb[1], mb[2], mb[3]); |
| |
| rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; |
| host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) |
| | vha->d_id.b.al_pa; |
| if (rscn_entry == host_pid) { |
| ql_dbg(ql_dbg_async, vha, 0x5014, |
| "Ignoring RSCN update to local host " |
| "port ID (%06x).\n", host_pid); |
| break; |
| } |
| |
| /* Ignore reserved bits from RSCN-payload. */ |
| rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; |
| |
| /* Skip RSCNs for virtual ports on the same physical port */ |
| if (qla2x00_is_a_vp_did(vha, rscn_entry)) |
| break; |
| |
| atomic_set(&vha->loop_down_timer, 0); |
| vha->flags.management_server_logged_in = 0; |
| { |
| struct event_arg ea; |
| |
| memset(&ea, 0, sizeof(ea)); |
| ea.event = FCME_RSCN; |
| ea.id.b24 = rscn_entry; |
| ea.id.b.rsvd_1 = rscn_entry >> 24; |
| qla2x00_fcport_event_handler(vha, &ea); |
| qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); |
| } |
| break; |
| /* case MBA_RIO_RESPONSE: */ |
| case MBA_ZIO_RESPONSE: |
| ql_dbg(ql_dbg_async, vha, 0x5015, |
| "[R|Z]IO update completion.\n"); |
| |
| if (IS_FWI2_CAPABLE(ha)) |
| qla24xx_process_response_queue(vha, rsp); |
| else |
| qla2x00_process_response_queue(rsp); |
| break; |
| |
| case MBA_DISCARD_RND_FRAME: |
| ql_dbg(ql_dbg_async, vha, 0x5016, |
| "Discard RND Frame -- %04x %04x %04x.\n", |
| mb[1], mb[2], mb[3]); |
| break; |
| |
| case MBA_TRACE_NOTIFICATION: |
| ql_dbg(ql_dbg_async, vha, 0x5017, |
| "Trace Notification -- %04x %04x.\n", mb[1], mb[2]); |
| break; |
| |
| case MBA_ISP84XX_ALERT: |
| ql_dbg(ql_dbg_async, vha, 0x5018, |
| "ISP84XX Alert Notification -- %04x %04x %04x.\n", |
| mb[1], mb[2], mb[3]); |
| |
| spin_lock_irqsave(&ha->cs84xx->access_lock, flags); |
| switch (mb[1]) { |
| case A84_PANIC_RECOVERY: |
| ql_log(ql_log_info, vha, 0x5019, |
| "Alert 84XX: panic recovery %04x %04x.\n", |
| mb[2], mb[3]); |
| break; |
| case A84_OP_LOGIN_COMPLETE: |
| ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; |
| ql_log(ql_log_info, vha, 0x501a, |
| "Alert 84XX: firmware version %x.\n", |
| ha->cs84xx->op_fw_version); |
| break; |
| case A84_DIAG_LOGIN_COMPLETE: |
| ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; |
| ql_log(ql_log_info, vha, 0x501b, |
| "Alert 84XX: diagnostic firmware version %x.\n", |
| ha->cs84xx->diag_fw_version); |
| break; |
| case A84_GOLD_LOGIN_COMPLETE: |
| ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; |
| ha->cs84xx->fw_update = 1; |
| ql_log(ql_log_info, vha, 0x501c, |
| "Alert 84XX: gold firmware version %x.\n", |
| ha->cs84xx->gold_fw_version); |
| break; |
| default: |
| ql_log(ql_log_warn, vha, 0x501d, |
| "Alert 84xx: Invalid Alert %04x %04x %04x.\n", |
| mb[1], mb[2], mb[3]); |
| } |
| spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); |
| break; |
| case MBA_DCBX_START: |
| ql_dbg(ql_dbg_async, vha, 0x501e, |
| "DCBX Started -- %04x %04x %04x.\n", |
| mb[1], mb[2], mb[3]); |
| break; |
| case MBA_DCBX_PARAM_UPDATE: |
| ql_dbg(ql_dbg_async, vha, 0x501f, |
| "DCBX Parameters Updated -- %04x %04x %04x.\n", |
| mb[1], mb[2], mb[3]); |
| break; |
| case MBA_FCF_CONF_ERR: |
| ql_dbg(ql_dbg_async, vha, 0x5020, |
| "FCF Configuration Error -- %04x %04x %04x.\n", |
| mb[1], mb[2], mb[3]); |
| break; |
| case MBA_IDC_NOTIFY: |
| if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) { |
| mb[4] = RD_REG_WORD(®24->mailbox4); |
| if (((mb[2] & 0x7fff) == MBC_PORT_RESET || |
| (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) && |
| (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) { |
| set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags); |
| /* |
| * Extend loop down timer since port is active. |
| */ |
| if (atomic_read(&vha->loop_state) == LOOP_DOWN) |
| atomic_set(&vha->loop_down_timer, |
| LOOP_DOWN_TIME); |
| qla2xxx_wake_dpc(vha); |
| } |
| } |
| /* fall through */ |
| case MBA_IDC_COMPLETE: |
| if (ha->notify_lb_portup_comp && !vha->vp_idx) |
| complete(&ha->lb_portup_comp); |
| /* Fallthru */ |
| case MBA_IDC_TIME_EXT: |
| if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) || |
| IS_QLA8044(ha)) |
| qla81xx_idc_event(vha, mb[0], mb[1]); |
| break; |
| |
| case MBA_IDC_AEN: |
| mb[4] = RD_REG_WORD(®24->mailbox4); |
| mb[5] = RD_REG_WORD(®24->mailbox5); |
| mb[6] = RD_REG_WORD(®24->mailbox6); |
| mb[7] = RD_REG_WORD(®24->mailbox7); |
| qla83xx_handle_8200_aen(vha, mb); |
| break; |
| |
| case MBA_DPORT_DIAGNOSTICS: |
| ql_dbg(ql_dbg_async, vha, 0x5052, |
| "D-Port Diagnostics: %04x result=%s\n", |
| mb[0], |
| mb[1] == 0 ? "start" : |
| mb[1] == 1 ? "done (pass)" : |
| mb[1] == 2 ? "done (error)" : "other"); |
| break; |
| |
| case MBA_TEMPERATURE_ALERT: |
| ql_dbg(ql_dbg_async, vha, 0x505e, |
| "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]); |
| if (mb[1] == 0x12) |
| schedule_work(&ha->board_disable); |
| break; |
| |
| case MBA_TRANS_INSERT: |
| ql_dbg(ql_dbg_async, vha, 0x5091, |
| "Transceiver Insertion: %04x\n", mb[1]); |
| break; |
| |
| default: |
| ql_dbg(ql_dbg_async, vha, 0x5057, |
| "Unknown AEN:%04x %04x %04x %04x\n", |
| mb[0], mb[1], mb[2], mb[3]); |
| } |
| |
| qlt_async_event(mb[0], vha, mb); |
| |
| if (!vha->vp_idx && ha->num_vhosts) |
| qla2x00_alert_all_vps(rsp, mb); |
| } |
| |
| /** |
| * qla2x00_process_completed_request() - Process a Fast Post response. |
| * @vha: SCSI driver HA context |
| * @req: request queue |
| * @index: SRB index |
| */ |
| void |
| qla2x00_process_completed_request(struct scsi_qla_host *vha, |
| struct req_que *req, uint32_t index) |
| { |
| srb_t *sp; |
| struct qla_hw_data *ha = vha->hw; |
| |
| /* Validate handle. */ |
| if (index >= req->num_outstanding_cmds) { |
| ql_log(ql_log_warn, vha, 0x3014, |
| "Invalid SCSI command index (%x).\n", index); |
| |
| if (IS_P3P_TYPE(ha)) |
| set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); |
| else |
| set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
| return; |
| } |
| |
| sp = req->outstanding_cmds[index]; |
| if (sp) { |
| /* Free outstanding command slot. */ |
| req->outstanding_cmds[index] = NULL; |
| |
| /* Save ISP completion status */ |
| sp->done(sp, DID_OK << 16); |
| } else { |
| ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n"); |
| |
| if (IS_P3P_TYPE(ha)) |
| set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); |
| else |
| set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
| } |
| } |
| |
| srb_t * |
| qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, |
| struct req_que *req, void *iocb) |
| { |
| struct qla_hw_data *ha = vha->hw; |
| sts_entry_t *pkt = iocb; |
| srb_t *sp = NULL; |
| uint16_t index; |
| |
| index = LSW(pkt->handle); |
| if (index >= req->num_outstanding_cmds) { |
| ql_log(ql_log_warn, vha, 0x5031, |
| "Invalid command index (%x) type %8ph.\n", |
| index, iocb); |
| if (IS_P3P_TYPE(ha)) |
| set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); |
| else |
| set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
| goto done; |
| } |
| sp = req->outstanding_cmds[index]; |
| if (!sp) { |
| ql_log(ql_log_warn, vha, 0x5032, |
| "Invalid completion handle (%x) -- timed-out.\n", index); |
| return sp; |
| } |
| if (sp->handle != index) { |
| ql_log(ql_log_warn, vha, 0x5033, |
| "SRB handle (%x) mismatch %x.\n", sp->handle, index); |
| return NULL; |
| } |
| |
| req->outstanding_cmds[index] = NULL; |
| |
| done: |
| return sp; |
| } |
| |
| static void |
| qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, |
| struct mbx_entry *mbx) |
| { |
| const char func[] = "MBX-IOCB"; |
| const char *type; |
| fc_port_t *fcport; |
| srb_t *sp; |
| struct srb_iocb *lio; |
| uint16_t *data; |
| uint16_t status; |
| |
| sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); |
| if (!sp) |
| return; |
| |
| lio = &sp->u.iocb_cmd; |
| type = sp->name; |
| fcport = sp->fcport; |
| data = lio->u.logio.data; |
| |
| data[0] = MBS_COMMAND_ERROR; |
| data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? |
| QLA_LOGIO_LOGIN_RETRIED : 0; |
| if (mbx->entry_status) { |
| ql_dbg(ql_dbg_async, vha, 0x5043, |
| "Async-%s error entry - hdl=%x portid=%02x%02x%02x " |
| "entry-status=%x status=%x state-flag=%x " |
| "status-flags=%x.\n", type, sp->handle, |
| fcport->d_id.b.domain, fcport->d_id.b.area, |
| fcport->d_id.b.al_pa, mbx->entry_status, |
| le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags), |
| le16_to_cpu(mbx->status_flags)); |
| |
| ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029, |
| (uint8_t *)mbx, sizeof(*mbx)); |
| |
| goto logio_done; |
| } |
| |
| status = le16_to_cpu(mbx->status); |
| if (status == 0x30 && sp->type == SRB_LOGIN_CMD && |
| le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) |
| status = 0; |
| if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { |
| ql_dbg(ql_dbg_async, vha, 0x5045, |
| "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n", |
| type, sp->handle, fcport->d_id.b.domain, |
| fcport->d_id.b.area, fcport->d_id.b.al_pa, |
| le16_to_cpu(mbx->mb1)); |
| |
| data[0] = MBS_COMMAND_COMPLETE; |
| if (sp->type == SRB_LOGIN_CMD) { |
| fcport->port_type = FCT_TARGET; |
| if (le16_to_cpu(mbx->mb1) & BIT_0) |
| fcport->port_type = FCT_INITIATOR; |
| else if (le16_to_cpu(mbx->mb1) & BIT_1) |
| fcport->flags |= FCF_FCP2_DEVICE; |
| } |
| goto logio_done; |
| } |
| |
| data[0] = le16_to_cpu(mbx->mb0); |
| switch (data[0]) { |
| case MBS_PORT_ID_USED: |
| data[1] = le16_to_cpu(mbx->mb1); |
| break; |
| case MBS_LOOP_ID_USED: |
| break; |
| default: |
| data[0] = MBS_COMMAND_ERROR; |
| break; |
| } |
| |
| ql_log(ql_log_warn, vha, 0x5046, |
| "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x " |
| "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle, |
| fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, |
| status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), |
| le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), |
| le16_to_cpu(mbx->mb7)); |
| |
| logio_done: |
| sp->done(sp, 0); |
| } |
| |
| static void |
| qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, |
| struct mbx_24xx_entry *pkt) |
| { |
| const char func[] = "MBX-IOCB2"; |
| srb_t *sp; |
| struct srb_iocb *si; |
| u16 sz, i; |
| int res; |
| |
| sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); |
| if (!sp) |
| return; |
| |
| si = &sp->u.iocb_cmd; |
| sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb)); |
| |
| for (i = 0; i < sz; i++) |
| si->u.mbx.in_mb[i] = le16_to_cpu(pkt->mb[i]); |
| |
| res = (si->u.mbx.in_mb[0] & MBS_MASK); |
| |
| sp->done(sp, res); |
| } |
| |
| static void |
| qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, |
| struct nack_to_isp *pkt) |
| { |
| const char func[] = "nack"; |
| srb_t *sp; |
| int res = 0; |
| |
| sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); |
| if (!sp) |
| return; |
| |
| if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS)) |
| res = QLA_FUNCTION_FAILED; |
| |
| sp->done(sp, res); |
| } |
| |
| static void |
| qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, |
| sts_entry_t *pkt, int iocb_type) |
| { |
| const char func[] = "CT_IOCB"; |
| const char *type; |
| srb_t *sp; |
| struct bsg_job *bsg_job; |
| struct fc_bsg_reply *bsg_reply; |
| uint16_t comp_status; |
| int res = 0; |
| |
| sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); |
| if (!sp) |
| return; |
| |
| switch (sp->type) { |
| case SRB_CT_CMD: |
| bsg_job = sp->u.bsg_job; |
| bsg_reply = bsg_job->reply; |
| |
| type = "ct pass-through"; |
| |
| comp_status = le16_to_cpu(pkt->comp_status); |
| |
| /* |
| * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT |
| * fc payload to the caller |
| */ |
| bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; |
| bsg_job->reply_len = sizeof(struct fc_bsg_reply); |
| |
| if (comp_status != CS_COMPLETE) { |
| if (comp_status == CS_DATA_UNDERRUN) { |
| res = DID_OK << 16; |
| bsg_reply->reply_payload_rcv_len = |
| le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len); |
| |
| ql_log(ql_log_warn, vha, 0x5048, |
| "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n", |
| type, comp_status, |
| bsg_reply->reply_payload_rcv_len); |
| } else { |
| ql_log(ql_log_warn, vha, 0x5049, |
| "CT pass-through-%s error comp_status=0x%x.\n", |
| type, comp_status); |
| res = DID_ERROR << 16; |
| bsg_reply->reply_payload_rcv_len = 0; |
| } |
| ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035, |
| (uint8_t *)pkt, sizeof(*pkt)); |
| } else { |
| res = DID_OK << 16; |
| bsg_reply->reply_payload_rcv_len = |
| bsg_job->reply_payload.payload_len; |
| bsg_job->reply_len = 0; |
| } |
| break; |
| case SRB_CT_PTHRU_CMD: |
| /* |
| * borrowing sts_entry_24xx.comp_status. |
| * same location as ct_entry_24xx.comp_status |
| */ |
| res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt, |
| (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, |
| sp->name); |
| break; |
| } |
| |
| sp->done(sp, res); |
| } |
| |
| static void |
| qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, |
| struct sts_entry_24xx *pkt, int iocb_type) |
| { |
| const char func[] = "ELS_CT_IOCB"; |
| const char *type; |
| srb_t *sp; |
| struct bsg_job *bsg_job; |
| struct fc_bsg_reply *bsg_reply; |
| uint16_t comp_status; |
| uint32_t fw_status[3]; |
| int res; |
| struct srb_iocb *els; |
| |
| sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); |
| if (!sp) |
| return; |
| |
| type = NULL; |
| switch (sp->type) { |
| case SRB_ELS_CMD_RPT: |
| case SRB_ELS_CMD_HST: |
| type = "els"; |
| break; |
| case SRB_CT_CMD: |
| type = "ct pass-through"; |
| break; |
| case SRB_ELS_DCMD: |
| type = "Driver ELS logo"; |
| if (iocb_type != ELS_IOCB_TYPE) { |
| ql_dbg(ql_dbg_user, vha, 0x5047, |
| "Completing %s: (%p) type=%d.\n", |
| type, sp, sp->type); |
| sp->done(sp, 0); |
| return; |
| } |
| break; |
| case SRB_CT_PTHRU_CMD: |
| /* borrowing sts_entry_24xx.comp_status. |
| same location as ct_entry_24xx.comp_status |
| */ |
| res = qla2x00_chk_ms_status(sp->vha, (ms_iocb_entry_t *)pkt, |
| (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, |
| sp->name); |
| sp->done(sp, res); |
| return; |
| default: |
| ql_dbg(ql_dbg_user, vha, 0x503e, |
| "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type); |
| return; |
| } |
| |
| comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); |
| fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1); |
| fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2); |
| |
| if (iocb_type == ELS_IOCB_TYPE) { |
| els = &sp->u.iocb_cmd; |
| els->u.els_plogi.fw_status[0] = fw_status[0]; |
| els->u.els_plogi.fw_status[1] = fw_status[1]; |
| els->u.els_plogi.fw_status[2] = fw_status[2]; |
| els->u.els_plogi.comp_status = fw_status[0]; |
| if (comp_status == CS_COMPLETE) { |
| res = DID_OK << 16; |
| } else { |
| if (comp_status == CS_DATA_UNDERRUN) { |
| res = DID_OK << 16; |
| els->u.els_plogi.len = |
| le16_to_cpu(((struct els_sts_entry_24xx *) |
| pkt)->total_byte_count); |
| } else { |
| els->u.els_plogi.len = 0; |
| res = DID_ERROR << 16; |
| } |
| } |
| ql_log(ql_log_info, vha, 0x503f, |
| "ELS IOCB Done -%s error hdl=%x comp_status=0x%x error subcode 1=0x%x error subcode 2=0x%x total_byte=0x%x\n", |
| type, sp->handle, comp_status, fw_status[1], fw_status[2], |
| le16_to_cpu(((struct els_sts_entry_24xx *) |
| pkt)->total_byte_count)); |
| goto els_ct_done; |
| } |
| |
| /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT |
| * fc payload to the caller |
| */ |
| bsg_job = sp->u.bsg_job; |
| bsg_reply = bsg_job->reply; |
| bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; |
| bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); |
| |
| if (comp_status != CS_COMPLETE) { |
| if (comp_status == CS_DATA_UNDERRUN) { |
| res = DID_OK << 16; |
| bsg_reply->reply_payload_rcv_len = |
| le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count); |
| |
| ql_dbg(ql_dbg_user, vha, 0x503f, |
| "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " |
| "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", |
| type, sp->handle, comp_status, fw_status[1], fw_status[2], |
| le16_to_cpu(((struct els_sts_entry_24xx *) |
| pkt)->total_byte_count)); |
| } else { |
| ql_dbg(ql_dbg_user, vha, 0x5040, |
| "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " |
| "error subcode 1=0x%x error subcode 2=0x%x.\n", |
| type, sp->handle, comp_status, |
| le16_to_cpu(((struct els_sts_entry_24xx *) |
| pkt)->error_subcode_1), |
| le16_to_cpu(((struct els_sts_entry_24xx *) |
| pkt)->error_subcode_2)); |
| res = DID_ERROR << 16; |
| bsg_reply->reply_payload_rcv_len = 0; |
| } |
| memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply), |
| fw_status, sizeof(fw_status)); |
| ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056, |
| (uint8_t *)pkt, sizeof(*pkt)); |
| } |
| else { |
| res = DID_OK << 16; |
| bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; |
| bsg_job->reply_len = 0; |
| } |
| els_ct_done: |
| |
| sp->done(sp, res); |
| } |
| |
| static void |
| qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, |
| struct logio_entry_24xx *logio) |
| { |
| const char func[] = "LOGIO-IOCB"; |
| const char *type; |
| fc_port_t *fcport; |
| srb_t *sp; |
| struct srb_iocb *lio; |
| uint16_t *data; |
| uint32_t iop[2]; |
| |
| sp = qla2x00_get_sp_from_handle(vha, func, req, logio); |
| if (!sp) |
| return; |
| |
| lio = &sp->u.iocb_cmd; |
| type = sp->name; |
| fcport = sp->fcport; |
| data = lio->u.logio.data; |
| |
| data[0] = MBS_COMMAND_ERROR; |
| data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? |
| QLA_LOGIO_LOGIN_RETRIED : 0; |
| if (logio->entry_status) { |
| ql_log(ql_log_warn, fcport->vha, 0x5034, |
| "Async-%s error entry - %8phC hdl=%x" |
| "portid=%02x%02x%02x entry-status=%x.\n", |
| type, fcport->port_name, sp->handle, fcport->d_id.b.domain, |
| fcport->d_id.b.area, fcport->d_id.b.al_pa, |
| logio->entry_status); |
| ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d, |
| (uint8_t *)logio, sizeof(*logio)); |
| |
| goto logio_done; |
| } |
| |
| if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { |
| ql_dbg(ql_dbg_async, fcport->vha, 0x5036, |
| "Async-%s complete - %8phC hdl=%x portid=%02x%02x%02x " |
| "iop0=%x.\n", type, fcport->port_name, sp->handle, |
| fcport->d_id.b.domain, |
| fcport->d_id.b.area, fcport->d_id.b.al_pa, |
| le32_to_cpu(logio->io_parameter[0])); |
| |
| vha->hw->exch_starvation = 0; |
| data[0] = MBS_COMMAND_COMPLETE; |
| if (sp->type != SRB_LOGIN_CMD) |
| goto logio_done; |
| |
| iop[0] = le32_to_cpu(logio->io_parameter[0]); |
| if (iop[0] & BIT_4) { |
| fcport->port_type = FCT_TARGET; |
| if (iop[0] & BIT_8) |
| fcport->flags |= FCF_FCP2_DEVICE; |
| } else if (iop[0] & BIT_5) |
| fcport->port_type = FCT_INITIATOR; |
| |
| if (iop[0] & BIT_7) |
| fcport->flags |= FCF_CONF_COMP_SUPPORTED; |
| |
| if (logio->io_parameter[7] || logio->io_parameter[8]) |
| fcport->supported_classes |= FC_COS_CLASS2; |
| if (logio->io_parameter[9] || logio->io_parameter[10]) |
| fcport->supported_classes |= FC_COS_CLASS3; |
| |
| goto logio_done; |
| } |
| |
| iop[0] = le32_to_cpu(logio->io_parameter[0]); |
| iop[1] = le32_to_cpu(logio->io_parameter[1]); |
| lio->u.logio.iop[0] = iop[0]; |
| lio->u.logio.iop[1] = iop[1]; |
| switch (iop[0]) { |
| case LSC_SCODE_PORTID_USED: |
| data[0] = MBS_PORT_ID_USED; |
| data[1] = LSW(iop[1]); |
| break; |
| case LSC_SCODE_NPORT_USED: |
| data[0] = MBS_LOOP_ID_USED; |
| break; |
| case LSC_SCODE_CMD_FAILED: |
| if (iop[1] == 0x0606) { |
| /* |
| * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI, |
| * Target side acked. |
| */ |
| data[0] = MBS_COMMAND_COMPLETE; |
| goto logio_done; |
| } |
| data[0] = MBS_COMMAND_ERROR; |
| break; |
| case LSC_SCODE_NOXCB: |
| vha->hw->exch_starvation++; |
| if (vha->hw->exch_starvation > 5) { |
| ql_log(ql_log_warn, vha, 0xd046, |
| "Exchange starvation. Resetting RISC\n"); |
| |
| vha->hw->exch_starvation = 0; |
| |
| if (IS_P3P_TYPE(vha->hw)) |
| set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); |
| else |
| set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
| qla2xxx_wake_dpc(vha); |
| } |
| /* fall through */ |
| default: |
| data[0] = MBS_COMMAND_ERROR; |
| break; |
| } |
| |
| ql_dbg(ql_dbg_async, fcport->vha, 0x5037, |
| "Async-%s failed - %8phC hdl=%x portid=%02x%02x%02x comp=%x " |
| "iop0=%x iop1=%x.\n", type, fcport->port_name, |
| sp->handle, fcport->d_id.b.domain, |
| fcport->d_id.b.area, fcport->d_id.b.al_pa, |
| le16_to_cpu(logio->comp_status), |
| le32_to_cpu(logio->io_parameter[0]), |
| le32_to_cpu(logio->io_parameter[1])); |
| |
| logio_done: |
| sp->done(sp, 0); |
| } |
| |
| static void |
| qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) |
| { |
| const char func[] = "TMF-IOCB"; |
| const char *type; |
| fc_port_t *fcport; |
| srb_t *sp; |
| struct srb_iocb *iocb; |
| struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; |
| |
| sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); |
| if (!sp) |
| return; |
| |
| iocb = &sp->u.iocb_cmd; |
| type = sp->name; |
| fcport = sp->fcport; |
| iocb->u.tmf.data = QLA_SUCCESS; |
| |
| if (sts->entry_status) { |
| ql_log(ql_log_warn, fcport->vha, 0x5038, |
| "Async-%s error - hdl=%x entry-status(%x).\n", |
| type, sp->handle, sts->entry_status); |
| iocb->u.tmf.data = QLA_FUNCTION_FAILED; |
| } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) { |
| ql_log(ql_log_warn, fcport->vha, 0x5039, |
| "Async-%s error - hdl=%x completion status(%x).\n", |
| type, sp->handle, sts->comp_status); |
| iocb->u.tmf.data = QLA_FUNCTION_FAILED; |
| } else if ((le16_to_cpu(sts->scsi_status) & |
| SS_RESPONSE_INFO_LEN_VALID)) { |
| if (le32_to_cpu(sts->rsp_data_len) < 4) { |
| ql_log(ql_log_warn, fcport->vha, 0x503b, |
| "Async-%s error - hdl=%x not enough response(%d).\n", |
| type, sp->handle, sts->rsp_data_len); |
| } else if (sts->data[3]) { |
| ql_log(ql_log_warn, fcport->vha, 0x503c, |
| "Async-%s error - hdl=%x response(%x).\n", |
| type, sp->handle, sts->data[3]); |
| iocb->u.tmf.data = QLA_FUNCTION_FAILED; |
| } |
| } |
| |
| if (iocb->u.tmf.data != QLA_SUCCESS) |
| ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055, |
| (uint8_t *)sts, sizeof(*sts)); |
| |
| sp->done(sp, 0); |
| } |
| |
| static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, |
| void *tsk, srb_t *sp) |
| { |
| fc_port_t *fcport; |
| struct srb_iocb *iocb; |
| struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; |
| uint16_t state_flags; |
| struct nvmefc_fcp_req *fd; |
| uint16_t ret = 0; |
| |
| iocb = &sp->u.iocb_cmd; |
| fcport = sp->fcport; |
| iocb->u.nvme.comp_status = le16_to_cpu(sts->comp_status); |
| state_flags = le16_to_cpu(sts->state_flags); |
| fd = iocb->u.nvme.desc; |
| |
| if (unlikely(iocb->u.nvme.aen_op)) |
| atomic_dec(&sp->vha->hw->nvme_active_aen_cnt); |
| |
| /* |
| * State flags: Bit 6 and 0. |
| * If 0 is set, we don't care about 6. |
| * both cases resp was dma'd to host buffer |
| * if both are 0, that is good path case. |
| * if six is set and 0 is clear, we need to |
| * copy resp data from status iocb to resp buffer. |
| */ |
| if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) { |
| iocb->u.nvme.rsp_pyld_len = 0; |
| } else if ((state_flags & SF_FCP_RSP_DMA)) { |
| iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len); |
| } else if (state_flags & SF_NVME_ERSP) { |
| uint32_t *inbuf, *outbuf; |
| uint16_t iter; |
| |
| inbuf = (uint32_t *)&sts->nvme_ersp_data; |
| outbuf = (uint32_t *)fd->rspaddr; |
| iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len); |
| iter = iocb->u.nvme.rsp_pyld_len >> 2; |
| for (; iter; iter--) |
| *outbuf++ = swab32(*inbuf++); |
| } else { /* unhandled case */ |
| ql_log(ql_log_warn, fcport->vha, 0x503a, |
| "NVME-%s error. Unhandled state_flags of %x\n", |
| sp->name, state_flags); |
| } |
| |
| fd->transferred_length = fd->payload_length - |
| le32_to_cpu(sts->residual_len); |
| |
| switch (le16_to_cpu(sts->comp_status)) { |
| case CS_COMPLETE: |
| ret = QLA_SUCCESS; |
| break; |
| case CS_ABORTED: |
| case CS_RESET: |
| case CS_PORT_UNAVAILABLE: |
| case CS_PORT_LOGGED_OUT: |
| case CS_PORT_BUSY: |
| ql_log(ql_log_warn, fcport->vha, 0x5060, |
| "NVME-%s ERR Handling - hdl=%x completion status(%x) resid=%x ox_id=%x\n", |
| sp->name, sp->handle, sts->comp_status, |
| le32_to_cpu(sts->residual_len), sts->ox_id); |
| fd->transferred_length = 0; |
| iocb->u.nvme.rsp_pyld_len = 0; |
| ret = QLA_ABORTED; |
| break; |
| default: |
| ql_log(ql_log_warn, fcport->vha, 0x5060, |
| "NVME-%s error - hdl=%x completion status(%x) resid=%x ox_id=%x\n", |
| sp->name, sp->handle, sts->comp_status, |
| le32_to_cpu(sts->residual_len), sts->ox_id); |
| ret = QLA_FUNCTION_FAILED; |
| break; |
| } |
| sp->done(sp, ret); |
| } |
| |
| static void qla_ctrlvp_completed(scsi_qla_host_t *vha, struct req_que *req, |
| struct vp_ctrl_entry_24xx *vce) |
| { |
| const char func[] = "CTRLVP-IOCB"; |
| srb_t *sp; |
| int rval = QLA_SUCCESS; |
| |
| sp = qla2x00_get_sp_from_handle(vha, func, req, vce); |
| if (!sp) |
| return; |
| |
| if (vce->entry_status != 0) { |
| ql_dbg(ql_dbg_vport, vha, 0x10c4, |
| "%s: Failed to complete IOCB -- error status (%x)\n", |
| sp->name, vce->entry_status); |
| rval = QLA_FUNCTION_FAILED; |
| } else if (vce->comp_status != cpu_to_le16(CS_COMPLETE)) { |
| ql_dbg(ql_dbg_vport, vha, 0x10c5, |
| "%s: Failed to complete IOCB -- completion status (%x) vpidx %x\n", |
| sp->name, le16_to_cpu(vce->comp_status), |
| le16_to_cpu(vce->vp_idx_failed)); |
| rval = QLA_FUNCTION_FAILED; |
| } else { |
| ql_dbg(ql_dbg_vport, vha, 0x10c6, |
| "Done %s.\n", __func__); |
| } |
| |
| sp->rc = rval; |
| sp->done(sp, rval); |
| } |
| |
| /** |
| * qla2x00_process_response_queue() - Process response queue entries. |
| * @rsp: response queue |
| */ |
| void |
| qla2x00_process_response_queue(struct rsp_que *rsp) |
| { |
| struct scsi_qla_host *vha; |
| struct qla_hw_data *ha = rsp->hw; |
| struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
| sts_entry_t *pkt; |
| uint16_t handle_cnt; |
| uint16_t cnt; |
| |
| vha = pci_get_drvdata(ha->pdev); |
| |
| if (!vha->flags.online) |
| return; |
| |
| while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
| pkt = (sts_entry_t *)rsp->ring_ptr; |
| |
| rsp->ring_index++; |
| if (rsp->ring_index == rsp->length) { |
| rsp->ring_index = 0; |
| rsp->ring_ptr = rsp->ring; |
| } else { |
| rsp->ring_ptr++; |
| } |
| |
| if (pkt->entry_status != 0) { |
| qla2x00_error_entry(vha, rsp, pkt); |
| ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
| wmb(); |
| continue; |
| } |
| |
| switch (pkt->entry_type) { |
| case STATUS_TYPE: |
| qla2x00_status_entry(vha, rsp, pkt); |
| break; |
| case STATUS_TYPE_21: |
| handle_cnt = ((sts21_entry_t *)pkt)->handle_count; |
| for (cnt = 0; cnt < handle_cnt; cnt++) { |
| qla2x00_process_completed_request(vha, rsp->req, |
| ((sts21_entry_t *)pkt)->handle[cnt]); |
| } |
| break; |
| case STATUS_TYPE_22: |
| handle_cnt = ((sts22_entry_t *)pkt)->handle_count; |
| for (cnt = 0; cnt < handle_cnt; cnt++) { |
| qla2x00_process_completed_request(vha, rsp->req, |
| ((sts22_entry_t *)pkt)->handle[cnt]); |
| } |
| break; |
| case STATUS_CONT_TYPE: |
| qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); |
| break; |
| case MBX_IOCB_TYPE: |
| qla2x00_mbx_iocb_entry(vha, rsp->req, |
| (struct mbx_entry *)pkt); |
| break; |
| case CT_IOCB_TYPE: |
| qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); |
| break; |
| default: |
| /* Type Not Supported. */ |
| ql_log(ql_log_warn, vha, 0x504a, |
| "Received unknown response pkt type %x " |
| "entry status=%x.\n", |
| pkt->entry_type, pkt->entry_status); |
| break; |
| } |
| ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
| wmb(); |
| } |
| |
| /* Adjust ring index */ |
| WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); |
| } |
| |
| static inline void |
| qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, |
| uint32_t sense_len, struct rsp_que *rsp, int res) |
| { |
| struct scsi_qla_host *vha = sp->vha; |
| struct scsi_cmnd *cp = GET_CMD_SP(sp); |
| uint32_t track_sense_len; |
| |
| if (sense_len >= SCSI_SENSE_BUFFERSIZE) |
| sense_len = SCSI_SENSE_BUFFERSIZE; |
| |
| SET_CMD_SENSE_LEN(sp, sense_len); |
| SET_CMD_SENSE_PTR(sp, cp->sense_buffer); |
| track_sense_len = sense_len; |
| |
| if (sense_len > par_sense_len) |
| sense_len = par_sense_len; |
| |
| memcpy(cp->sense_buffer, sense_data, sense_len); |
| |
| SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len); |
| track_sense_len -= sense_len; |
| SET_CMD_SENSE_LEN(sp, track_sense_len); |
| |
| if (track_sense_len != 0) { |
| rsp->status_srb = sp; |
| cp->result = res; |
| } |
| |
| if (sense_len) { |
| ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c, |
| "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n", |
| sp->vha->host_no, cp->device->id, cp->device->lun, |
| cp); |
| ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b, |
| cp->sense_buffer, sense_len); |
| } |
| } |
| |
| struct scsi_dif_tuple { |
| __be16 guard; /* Checksum */ |
| __be16 app_tag; /* APPL identifier */ |
| __be32 ref_tag; /* Target LBA or indirect LBA */ |
| }; |
| |
| /* |
| * Checks the guard or meta-data for the type of error |
| * detected by the HBA. In case of errors, we set the |
| * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST |
| * to indicate to the kernel that the HBA detected error. |
| */ |
| static inline int |
| qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) |
| { |
| struct scsi_qla_host *vha = sp->vha; |
| struct scsi_cmnd *cmd = GET_CMD_SP(sp); |
| uint8_t *ap = &sts24->data[12]; |
| uint8_t *ep = &sts24->data[20]; |
| uint32_t e_ref_tag, a_ref_tag; |
| uint16_t e_app_tag, a_app_tag; |
| uint16_t e_guard, a_guard; |
| |
| /* |
| * swab32 of the "data" field in the beginning of qla2x00_status_entry() |
| * would make guard field appear at offset 2 |
| */ |
| a_guard = le16_to_cpu(*(uint16_t *)(ap + 2)); |
| a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0)); |
| a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4)); |
| e_guard = le16_to_cpu(*(uint16_t *)(ep + 2)); |
| e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0)); |
| e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4)); |
| |
| ql_dbg(ql_dbg_io, vha, 0x3023, |
| "iocb(s) %p Returned STATUS.\n", sts24); |
| |
| ql_dbg(ql_dbg_io, vha, 0x3024, |
| "DIF ERROR in cmd 0x%x lba 0x%llx act ref" |
| " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" |
| " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n", |
| cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, |
| a_app_tag, e_app_tag, a_guard, e_guard); |
| |
| /* |
| * Ignore sector if: |
| * For type 3: ref & app tag is all 'f's |
| * For type 0,1,2: app tag is all 'f's |
| */ |
| if ((a_app_tag == T10_PI_APP_ESCAPE) && |
| ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) || |
| (a_ref_tag == T10_PI_REF_ESCAPE))) { |
| uint32_t blocks_done, resid; |
| sector_t lba_s = scsi_get_lba(cmd); |
| |
| /* 2TB boundary case covered automatically with this */ |
| blocks_done = e_ref_tag - (uint32_t)lba_s + 1; |
| |
| resid = scsi_bufflen(cmd) - (blocks_done * |
| cmd->device->sector_size); |
| |
| scsi_set_resid(cmd, resid); |
| cmd->result = DID_OK << 16; |
| |
| /* Update protection tag */ |
| if (scsi_prot_sg_count(cmd)) { |
| uint32_t i, j = 0, k = 0, num_ent; |
| struct scatterlist *sg; |
| struct t10_pi_tuple *spt; |
| |
| /* Patch the corresponding protection tags */ |
| scsi_for_each_prot_sg(cmd, sg, |
| scsi_prot_sg_count(cmd), i) { |
| num_ent = sg_dma_len(sg) / 8; |
| if (k + num_ent < blocks_done) { |
| k += num_ent; |
| continue; |
| } |
| j = blocks_done - k - 1; |
| k = blocks_done; |
| break; |
| } |
| |
| if (k != blocks_done) { |
| ql_log(ql_log_warn, vha, 0x302f, |
| "unexpected tag values tag:lba=%x:%llx)\n", |
| e_ref_tag, (unsigned long long)lba_s); |
| return 1; |
| } |
| |
| spt = page_address(sg_page(sg)) + sg->offset; |
| spt += j; |
| |
| spt->app_tag = T10_PI_APP_ESCAPE; |
| if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) |
| spt->ref_tag = T10_PI_REF_ESCAPE; |
| } |
| |
| return 0; |
| } |
| |
| /* check guard */ |
| if (e_guard != a_guard) { |
| scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, |
| 0x10, 0x1); |
| set_driver_byte(cmd, DRIVER_SENSE); |
| set_host_byte(cmd, DID_ABORT); |
| cmd->result |= SAM_STAT_CHECK_CONDITION; |
| return 1; |
| } |
| |
| /* check ref tag */ |
| if (e_ref_tag != a_ref_tag) { |
| scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, |
| 0x10, 0x3); |
| set_driver_byte(cmd, DRIVER_SENSE); |
| set_host_byte(cmd, DID_ABORT); |
| cmd->result |= SAM_STAT_CHECK_CONDITION; |
| return 1; |
| } |
| |
| /* check appl tag */ |
| if (e_app_tag != a_app_tag) { |
| scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, |
| 0x10, 0x2); |
| set_driver_byte(cmd, DRIVER_SENSE); |
| set_host_byte(cmd, DID_ABORT); |
| cmd->result |= SAM_STAT_CHECK_CONDITION; |
| return 1; |
| } |
| |
| return 1; |
| } |
| |
| static void |
| qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt, |
| struct req_que *req, uint32_t index) |
| { |
| struct qla_hw_data *ha = vha->hw; |
| srb_t *sp; |
| uint16_t comp_status; |
| uint16_t scsi_status; |
| uint16_t thread_id; |
| uint32_t rval = EXT_STATUS_OK; |
| struct bsg_job *bsg_job = NULL; |
| struct fc_bsg_request *bsg_request; |
| struct fc_bsg_reply *bsg_reply; |
| sts_entry_t *sts; |
| struct sts_entry_24xx *sts24; |
| sts = (sts_entry_t *) pkt; |
| sts24 = (struct sts_entry_24xx *) pkt; |
| |
| /* Validate handle. */ |
| if (index >= req->num_outstanding_cmds) { |
| ql_log(ql_log_warn, vha, 0x70af, |
| "Invalid SCSI completion handle 0x%x.\n", index); |
| set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
| return; |
| } |
| |
| sp = req->outstanding_cmds[index]; |
| if (!sp) { |
| ql_log(ql_log_warn, vha, 0x70b0, |
| "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n", |
| req->id, index); |
| |
| set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
| return; |
| } |
| |
| /* Free outstanding command slot. */ |
| req->outstanding_cmds[index] = NULL; |
| bsg_job = sp->u.bsg_job; |
| bsg_request = bsg_job->request; |
| bsg_reply = bsg_job->reply; |
| |
| if (IS_FWI2_CAPABLE(ha)) { |
| comp_status = le16_to_cpu(sts24->comp_status); |
| scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; |
| } else { |
| comp_status = le16_to_cpu(sts->comp_status); |
| scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; |
| } |
| |
| thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1]; |
| switch (comp_status) { |
| case CS_COMPLETE: |
| if (scsi_status == 0) { |
| bsg_reply->reply_payload_rcv_len = |
| bsg_job->reply_payload.payload_len; |
| vha->qla_stats.input_bytes += |
| bsg_reply->reply_payload_rcv_len; |
| vha->qla_stats.input_requests++; |
| rval = EXT_STATUS_OK; |
| } |
| goto done; |
| |
| case CS_DATA_OVERRUN: |
| ql_dbg(ql_dbg_user, vha, 0x70b1, |
| "Command completed with data overrun thread_id=%d\n", |
| thread_id); |
| rval = EXT_STATUS_DATA_OVERRUN; |
| break; |
| |
| case CS_DATA_UNDERRUN: |
| ql_dbg(ql_dbg_user, vha, 0x70b2, |
| "Command completed with data underrun thread_id=%d\n", |
| thread_id); |
| rval = EXT_STATUS_DATA_UNDERRUN; |
| break; |
| case CS_BIDIR_RD_OVERRUN: |
| ql_dbg(ql_dbg_user, vha, 0x70b3, |
| "Command completed with read data overrun thread_id=%d\n", |
| thread_id); |
| rval = EXT_STATUS_DATA_OVERRUN; |
| break; |
| |
| case CS_BIDIR_RD_WR_OVERRUN: |
| ql_dbg(ql_dbg_user, vha, 0x70b4, |
| "Command completed with read and write data overrun " |
| "thread_id=%d\n", thread_id); |
| rval = EXT_STATUS_DATA_OVERRUN; |
| break; |
| |
| case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN: |
| ql_dbg(ql_dbg_user, vha, 0x70b5, |
| "Command completed with read data over and write data " |
| "underrun thread_id=%d\n", thread_id); |
| rval = EXT_STATUS_DATA_OVERRUN; |
| break; |
| |
| case CS_BIDIR_RD_UNDERRUN: |
| ql_dbg(ql_dbg_user, vha, 0x70b6, |
| "Command completed with read data underrun " |
| "thread_id=%d\n", thread_id); |
| rval = EXT_STATUS_DATA_UNDERRUN; |
| break; |
| |
| case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN: |
| ql_dbg(ql_dbg_user, vha, 0x70b7, |
| "Command completed with read data under and write data " |
| "overrun thread_id=%d\n", thread_id); |
| rval = EXT_STATUS_DATA_UNDERRUN; |
| break; |
| |
| case CS_BIDIR_RD_WR_UNDERRUN: |
| ql_dbg(ql_dbg_user, vha, 0x70b8, |
| "Command completed with read and write data underrun " |
| "thread_id=%d\n", thread_id); |
| rval = EXT_STATUS_DATA_UNDERRUN; |
| break; |
| |
| case CS_BIDIR_DMA: |
| ql_dbg(ql_dbg_user, vha, 0x70b9, |
| "Command completed with data DMA error thread_id=%d\n", |
| thread_id); |
| rval = EXT_STATUS_DMA_ERR; |
| break; |
| |
| case CS_TIMEOUT: |
| ql_dbg(ql_dbg_user, vha, 0x70ba, |
| "Command completed with timeout thread_id=%d\n", |
| thread_id); |
| rval = EXT_STATUS_TIMEOUT; |
| break; |
| default: |
| ql_dbg(ql_dbg_user, vha, 0x70bb, |
| "Command completed with completion status=0x%x " |
| "thread_id=%d\n", comp_status, thread_id); |
| rval = EXT_STATUS_ERR; |
| break; |
| } |
| bsg_reply->reply_payload_rcv_len = 0; |
| |
| done: |
| /* Return the vendor specific reply to API */ |
| bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval; |
| bsg_job->reply_len = sizeof(struct fc_bsg_reply); |
| /* Always return DID_OK, bsg will send the vendor specific response |
| * in this case only */ |
| sp->done(sp, DID_OK << 16); |
| |
| } |
| |
| /** |
| * qla2x00_status_entry() - Process a Status IOCB entry. |
| * @vha: SCSI driver HA context |
| * @rsp: response queue |
| * @pkt: Entry pointer |
| */ |
| static void |
| qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) |
| { |
| srb_t *sp; |
| fc_port_t *fcport; |
| struct scsi_cmnd *cp; |
| sts_entry_t *sts; |
| struct sts_entry_24xx *sts24; |
| uint16_t comp_status; |
| uint16_t scsi_status; |
| uint16_t ox_id; |
| uint8_t lscsi_status; |
| int32_t resid; |
| uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, |
| fw_resid_len; |
| uint8_t *rsp_info, *sense_data; |
| struct qla_hw_data *ha = vha->hw; |
| uint32_t handle; |
| uint16_t que; |
| struct req_que *req; |
| int logit = 1; |
| int res = 0; |
| uint16_t state_flags = 0; |
| uint16_t retry_delay = 0; |
| |
| sts = (sts_entry_t *) pkt; |
| sts24 = (struct sts_entry_24xx *) pkt; |
| if (IS_FWI2_CAPABLE(ha)) { |
| comp_status = le16_to_cpu(sts24->comp_status); |
| scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; |
| state_flags = le16_to_cpu(sts24->state_flags); |
| } else { |
| comp_status = le16_to_cpu(sts->comp_status); |
| scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; |
| } |
| handle = (uint32_t) LSW(sts->handle); |
| que = MSW(sts->handle); |
| req = ha->req_q_map[que]; |
| |
| /* Check for invalid queue pointer */ |
| if (req == NULL || |
| que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) { |
| ql_dbg(ql_dbg_io, vha, 0x3059, |
| "Invalid status handle (0x%x): Bad req pointer. req=%p, " |
| "que=%u.\n", sts->handle, req, que); |
| return; |
| } |
| |
| /* Validate handle. */ |
| if (handle < req->num_outstanding_cmds) { |
| sp = req->outstanding_cmds[handle]; |
| if (!sp) { |
| ql_dbg(ql_dbg_io, vha, 0x3075, |
| "%s(%ld): Already returned command for status handle (0x%x).\n", |
| __func__, vha->host_no, sts->handle); |
| return; |
| } |
| } else { |
| ql_dbg(ql_dbg_io, vha, 0x3017, |
| "Invalid status handle, out of range (0x%x).\n", |
| sts->handle); |
| |
| if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) { |
| if (IS_P3P_TYPE(ha)) |
| set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); |
| else |
| set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
| qla2xxx_wake_dpc(vha); |
| } |
| return; |
| } |
| |
| if (sp->cmd_type != TYPE_SRB) { |
| req->outstanding_cmds[handle] = NULL; |
| ql_dbg(ql_dbg_io, vha, 0x3015, |
| "Unknown sp->cmd_type %x %p).\n", |
| sp->cmd_type, sp); |
| return; |
| } |
| |
| /* NVME completion. */ |
| if (sp->type == SRB_NVME_CMD) { |
| req->outstanding_cmds[handle] = NULL; |
| qla24xx_nvme_iocb_entry(vha, req, pkt, sp); |
| return; |
| } |
| |
| if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) { |
| qla25xx_process_bidir_status_iocb(vha, pkt, req, handle); |
| return; |
| } |
| |
| /* Task Management completion. */ |
| if (sp->type == SRB_TM_CMD) { |
| qla24xx_tm_iocb_entry(vha, req, pkt); |
| return; |
| } |
| |
| /* Fast path completion. */ |
| if (comp_status == CS_COMPLETE && scsi_status == 0) { |
| qla2x00_process_completed_request(vha, req, handle); |
| |
| return; |
| } |
| |
| req->outstanding_cmds[handle] = NULL; |
| cp = GET_CMD_SP(sp); |
| if (cp == NULL) { |
| ql_dbg(ql_dbg_io, vha, 0x3018, |
| "Command already returned (0x%x/%p).\n", |
| sts->handle, sp); |
| |
| return; |
| } |
| |
| lscsi_status = scsi_status & STATUS_MASK; |
| |
| fcport = sp->fcport; |
| |
| ox_id = 0; |
| sense_len = par_sense_len = rsp_info_len = resid_len = |
| fw_resid_len = 0; |
| if (IS_FWI2_CAPABLE(ha)) { |
| if (scsi_status & SS_SENSE_LEN_VALID) |
| sense_len = le32_to_cpu(sts24->sense_len); |
| if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) |
| rsp_info_len = le32_to_cpu(sts24->rsp_data_len); |
| if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) |
| resid_len = le32_to_cpu(sts24->rsp_residual_count); |
| if (comp_status == CS_DATA_UNDERRUN) |
| fw_resid_len = le32_to_cpu(sts24->residual_len); |
| rsp_info = sts24->data; |
| sense_data = sts24->data; |
| host_to_fcp_swap(sts24->data, sizeof(sts24->data)); |
| ox_id = le16_to_cpu(sts24->ox_id); |
| par_sense_len = sizeof(sts24->data); |
| /* Valid values of the retry delay timer are 0x1-0xffef */ |
| if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1) { |
| retry_delay = sts24->retry_delay & 0x3fff; |
| ql_dbg(ql_dbg_io, sp->vha, 0x3033, |
| "%s: scope=%#x retry_delay=%#x\n", __func__, |
| sts24->retry_delay >> 14, retry_delay); |
| } |
| } else { |
| if (scsi_status & SS_SENSE_LEN_VALID) |
| sense_len = le16_to_cpu(sts->req_sense_length); |
| if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) |
| rsp_info_len = le16_to_cpu(sts->rsp_info_len); |
| resid_len = le32_to_cpu(sts->residual_length); |
| rsp_info = sts->rsp_info; |
| sense_data = sts->req_sense_data; |
| par_sense_len = sizeof(sts->req_sense_data); |
| } |
| |
| /* Check for any FCP transport errors. */ |
| if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { |
| /* Sense data lies beyond any FCP RESPONSE data. */ |
| if (IS_FWI2_CAPABLE(ha)) { |
| sense_data += rsp_info_len; |
| par_sense_len -= rsp_info_len; |
| } |
| if (rsp_info_len > 3 && rsp_info[3]) { |
| ql_dbg(ql_dbg_io, fcport->vha, 0x3019, |
| "FCP I/O protocol failure (0x%x/0x%x).\n", |
| rsp_info_len, rsp_info[3]); |
| |
| res = DID_BUS_BUSY << 16; |
| goto out; |
| } |
| } |
| |
| /* Check for overrun. */ |
| if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && |
| scsi_status & SS_RESIDUAL_OVER) |
| comp_status = CS_DATA_OVERRUN; |
| |
| /* |
| * Check retry_delay_timer value if we receive a busy or |
| * queue full. |
| */ |
| if (lscsi_status == SAM_STAT_TASK_SET_FULL || |
| lscsi_status == SAM_STAT_BUSY) |
| qla2x00_set_retry_delay_timestamp(fcport, retry_delay); |
| |
| /* |
| * Based on Host and scsi status generate status code for Linux |
| */ |
| switch (comp_status) { |
| case CS_COMPLETE: |
| case CS_QUEUE_FULL: |
| if (scsi_status == 0) { |
| res = DID_OK << 16; |
| break; |
| } |
| if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { |
| resid = resid_len; |
| scsi_set_resid(cp, resid); |
| |
| if (!lscsi_status && |
| ((unsigned)(scsi_bufflen(cp) - resid) < |
| cp->underflow)) { |
| ql_dbg(ql_dbg_io, fcport->vha, 0x301a, |
| "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", |
| resid, scsi_bufflen(cp)); |
| |
| res = DID_ERROR << 16; |
| break; |
| } |
| } |
| res = DID_OK << 16 | lscsi_status; |
| |
| if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
| ql_dbg(ql_dbg_io, fcport->vha, 0x301b, |
| "QUEUE FULL detected.\n"); |
| break; |
| } |
| logit = 0; |
| if (lscsi_status != SS_CHECK_CONDITION) |
| break; |
| |
| memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
| if (!(scsi_status & SS_SENSE_LEN_VALID)) |
| break; |
| |
| qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, |
| rsp, res); |
| break; |
| |
| case CS_DATA_UNDERRUN: |
| /* Use F/W calculated residual length. */ |
| resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; |
| scsi_set_resid(cp, resid); |
| if (scsi_status & SS_RESIDUAL_UNDER) { |
| if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { |
| ql_dbg(ql_dbg_io, fcport->vha, 0x301d, |
| "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", |
| resid, scsi_bufflen(cp)); |
| |
| res = DID_ERROR << 16 | lscsi_status; |
| goto check_scsi_status; |
| } |
| |
| if (!lscsi_status && |
| ((unsigned)(scsi_bufflen(cp) - resid) < |
| cp->underflow)) { |
| ql_dbg(ql_dbg_io, fcport->vha, 0x301e, |
| "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", |
| resid, scsi_bufflen(cp)); |
| |
| res = DID_ERROR << 16; |
| break; |
| } |
| } else if (lscsi_status != SAM_STAT_TASK_SET_FULL && |
| lscsi_status != SAM_STAT_BUSY) { |
| /* |
| * scsi status of task set and busy are considered to be |
| * task not completed. |
| */ |
| |
| ql_dbg(ql_dbg_io, fcport->vha, 0x301f, |
| "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", |
| resid, scsi_bufflen(cp)); |
| |
| res = DID_ERROR << 16 | lscsi_status; |
| goto check_scsi_status; |
| } else { |
| ql_dbg(ql_dbg_io, fcport->vha, 0x3030, |
| "scsi_status: 0x%x, lscsi_status: 0x%x\n", |
| scsi_status, lscsi_status); |
| } |
| |
| res = DID_OK << 16 | lscsi_status; |
| logit = 0; |
| |
| check_scsi_status: |
| /* |
| * Check to see if SCSI Status is non zero. If so report SCSI |
| * Status. |
| */ |
| if (lscsi_status != 0) { |
| if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
| ql_dbg(ql_dbg_io, fcport->vha, 0x3020, |
| "QUEUE FULL detected.\n"); |
| logit = 1; |
| break; |
| } |
| if (lscsi_status != SS_CHECK_CONDITION) |
| break; |
| |
| memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
| if (!(scsi_status & SS_SENSE_LEN_VALID)) |
| break; |
| |
| qla2x00_handle_sense(sp, sense_data, par_sense_len, |
| sense_len, rsp, res); |
| } |
| break; |
| |
| case CS_PORT_LOGGED_OUT: |
| case CS_PORT_CONFIG_CHG: |
| case CS_PORT_BUSY: |
| case CS_INCOMPLETE: |
| case CS_PORT_UNAVAILABLE: |
| case CS_TIMEOUT: |
| case CS_RESET: |
| |
| /* |
| * We are going to have the fc class block the rport |
| * while we try to recover so instruct the mid layer |
| * to requeue until the class decides how to handle this. |
| */ |
| res = DID_TRANSPORT_DISRUPTED << 16; |
| |
| if (comp_status == CS_TIMEOUT) { |
| if (IS_FWI2_CAPABLE(ha)) |
| break; |
| else if ((le16_to_cpu(sts->status_flags) & |
| SF_LOGOUT_SENT) == 0) |
| break; |
| } |
| |
| if (atomic_read(&fcport->state) == FCS_ONLINE) { |
| ql_dbg(ql_dbg_disc, fcport->vha, 0x3021, |
| "Port to be marked lost on fcport=%02x%02x%02x, current " |
| "port state= %s comp_status %x.\n", fcport->d_id.b.domain, |
| fcport->d_id.b.area, fcport->d_id.b.al_pa, |
| port_state_str[atomic_read(&fcport->state)], |
| comp_status); |
| |
| qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); |
| qlt_schedule_sess_for_deletion(fcport); |
| } |
| |
| break; |
| |
| case CS_ABORTED: |
| res = DID_RESET << 16; |
| break; |
| |
| case CS_DIF_ERROR: |
| logit = qla2x00_handle_dif_error(sp, sts24); |
| res = cp->result; |
| break; |
| |
| case CS_TRANSPORT: |
| res = DID_ERROR << 16; |
| |
| if (!IS_PI_SPLIT_DET_CAPABLE(ha)) |
| break; |
| |
| if (state_flags & BIT_4) |
| scmd_printk(KERN_WARNING, cp, |
| "Unsupported device '%s' found.\n", |
| cp->device->vendor); |
| break; |
| |
| default: |
| res = DID_ERROR << 16; |
| break; |
| } |
| |
| out: |
| if (logit) |
| ql_dbg(ql_dbg_io, fcport->vha, 0x3022, |
| "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu " |
| "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x " |
| "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n", |
| comp_status, scsi_status, res, vha->host_no, |
| cp->device->id, cp->device->lun, fcport->d_id.b.domain, |
| fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id, |
| cp->cmnd, scsi_bufflen(cp), rsp_info_len, |
| resid_len, fw_resid_len, sp, cp); |
| |
| if (rsp->status_srb == NULL) |
| sp->done(sp, res); |
| } |
| |
| /** |
| * qla2x00_status_cont_entry() - Process a Status Continuations entry. |
| * @rsp: response queue |
| * @pkt: Entry pointer |
| * |
| * Extended sense data. |
| */ |
| static void |
| qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) |
| { |
| uint8_t sense_sz = 0; |
| struct qla_hw_data *ha = rsp->hw; |
| struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); |
| srb_t *sp = rsp->status_srb; |
| struct scsi_cmnd *cp; |
| uint32_t sense_len; |
| uint8_t *sense_ptr; |
| |
| if (!sp || !GET_CMD_SENSE_LEN(sp)) |
| return; |
| |
| sense_len = GET_CMD_SENSE_LEN(sp); |
| sense_ptr = GET_CMD_SENSE_PTR(sp); |
| |
| cp = GET_CMD_SP(sp); |
| if (cp == NULL) { |
| ql_log(ql_log_warn, vha, 0x3025, |
| "cmd is NULL: already returned to OS (sp=%p).\n", sp); |
| |
| rsp->status_srb = NULL; |
| return; |
| } |
| |
| if (sense_len > sizeof(pkt->data)) |
| sense_sz = sizeof(pkt->data); |
| else |
| sense_sz = sense_len; |
| |
| /* Move sense data. */ |
| if (IS_FWI2_CAPABLE(ha)) |
| host_to_fcp_swap(pkt->data, sizeof(pkt->data)); |
| memcpy(sense_ptr, pkt->data, sense_sz); |
| ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, |
| sense_ptr, sense_sz); |
| |
| sense_len -= sense_sz; |
| sense_ptr += sense_sz; |
| |
| SET_CMD_SENSE_PTR(sp, sense_ptr); |
| SET_CMD_SENSE_LEN(sp, sense_len); |
| |
| /* Place command on done queue. */ |
| if (sense_len == 0) { |
| rsp->status_srb = NULL; |
| sp->done(sp, cp->result); |
| } |
| } |
| |
| /** |
| * qla2x00_error_entry() - Process an error entry. |
| * @vha: SCSI driver HA context |
| * @rsp: response queue |
| * @pkt: Entry pointer |
| * return : 1=allow further error analysis. 0=no additional error analysis. |
| */ |
| static int |
| qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) |
| { |
| srb_t *sp; |
| struct qla_hw_data *ha = vha->hw; |
| const char func[] = "ERROR-IOCB"; |
| uint16_t que = MSW(pkt->handle); |
| struct req_que *req = NULL; |
| int res = DID_ERROR << 16; |
| |
| ql_dbg(ql_dbg_async, vha, 0x502a, |
| "iocb type %xh with error status %xh, handle %xh, rspq id %d\n", |
| pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id); |
| |
| if (que >= ha->max_req_queues || !ha->req_q_map[que]) |
| goto fatal; |
| |
| req = ha->req_q_map[que]; |
| |
| if (pkt->entry_status & RF_BUSY) |
| res = DID_BUS_BUSY << 16; |
| |
| if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE) |
| return 0; |
| |
| switch (pkt->entry_type) { |
| case NOTIFY_ACK_TYPE: |
| case STATUS_TYPE: |
| case STATUS_CONT_TYPE: |
| case LOGINOUT_PORT_IOCB_TYPE: |
| case CT_IOCB_TYPE: |
| case ELS_IOCB_TYPE: |
| case ABORT_IOCB_TYPE: |
| case MBX_IOCB_TYPE: |
| sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); |
| if (sp) { |
| sp->done(sp, res); |
| return 0; |
| } |
| break; |
| |
| case ABTS_RESP_24XX: |
| case CTIO_TYPE7: |
| case CTIO_CRC2: |
| default: |
| return 1; |
| } |
| fatal: |
| ql_log(ql_log_warn, vha, 0x5030, |
| "Error entry - invalid handle/queue (%04x).\n", que); |
| return 0; |
| } |
| |
| /** |
| * qla24xx_mbx_completion() - Process mailbox command completions. |
| * @vha: SCSI driver HA context |
| * @mb0: Mailbox0 register |
| */ |
| static void |
| qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) |
| { |
| uint16_t cnt; |
| uint32_t mboxes; |
| uint16_t __iomem *wptr; |
| struct qla_hw_data *ha = vha->hw; |
| struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
| |
| /* Read all mbox registers? */ |
| WARN_ON_ONCE(ha->mbx_count > 32); |
| mboxes = (1ULL << ha->mbx_count) - 1; |
| if (!ha->mcp) |
| ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n"); |
| else |
| mboxes = ha->mcp->in_mb; |
| |
| /* Load return mailbox registers. */ |
| ha->flags.mbox_int = 1; |
| ha->mailbox_out[0] = mb0; |
| mboxes >>= 1; |
| wptr = (uint16_t __iomem *)®->mailbox1; |
| |
| for (cnt = 1; cnt < ha->mbx_count; cnt++) { |
| if (mboxes & BIT_0) |
| ha->mailbox_out[cnt] = RD_REG_WORD(wptr); |
| |
| mboxes >>= 1; |
| wptr++; |
| } |
| } |
| |
| static void |
| qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, |
| struct abort_entry_24xx *pkt) |
| { |
| const char func[] = "ABT_IOCB"; |
| srb_t *sp; |
| struct srb_iocb *abt; |
| |
| sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); |
| if (!sp) |
| return; |
| |
| abt = &sp->u.iocb_cmd; |
| abt->u.abt.comp_status = le16_to_cpu(pkt->nport_handle); |
| sp->done(sp, 0); |
| } |
| |
| void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha, |
| struct pt_ls4_request *pkt, struct req_que *req) |
| { |
| srb_t *sp; |
| const char func[] = "LS4_IOCB"; |
| uint16_t comp_status; |
| |
| sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); |
| if (!sp) |
| return; |
| |
| comp_status = le16_to_cpu(pkt->status); |
| sp->done(sp, comp_status); |
| } |
| |
| /** |
| * qla24xx_process_response_queue() - Process response queue entries. |
| * @vha: SCSI driver HA context |
| * @rsp: response queue |
| */ |
| void qla24xx_process_response_queue(struct scsi_qla_host *vha, |
| struct rsp_que *rsp) |
| { |
| struct sts_entry_24xx *pkt; |
| struct qla_hw_data *ha = vha->hw; |
| |
| if (!ha->flags.fw_started) |
| return; |
| |
| if (rsp->qpair->cpuid != smp_processor_id()) |
| qla_cpu_update(rsp->qpair, smp_processor_id()); |
| |
| while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
| pkt = (struct sts_entry_24xx *)rsp->ring_ptr; |
| |
| rsp->ring_index++; |
| if (rsp->ring_index == rsp->length) { |
| rsp->ring_index = 0; |
| rsp->ring_ptr = rsp->ring; |
| } else { |
| rsp->ring_ptr++; |
| } |
| |
| if (pkt->entry_status != 0) { |
| if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt)) |
| goto process_err; |
| |
| ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
| wmb(); |
| continue; |
| } |
| process_err: |
| |
| switch (pkt->entry_type) { |
| case STATUS_TYPE: |
| qla2x00_status_entry(vha, rsp, pkt); |
| break; |
| case STATUS_CONT_TYPE: |
| qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); |
| break; |
| case VP_RPT_ID_IOCB_TYPE: |
| qla24xx_report_id_acquisition(vha, |
| (struct vp_rpt_id_entry_24xx *)pkt); |
| break; |
| case LOGINOUT_PORT_IOCB_TYPE: |
| qla24xx_logio_entry(vha, rsp->req, |
| (struct logio_entry_24xx *)pkt); |
| break; |
| case CT_IOCB_TYPE: |
| qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); |
| break; |
| case ELS_IOCB_TYPE: |
| qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); |
| break; |
| case ABTS_RECV_24XX: |
| if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { |
| /* ensure that the ATIO queue is empty */ |
| qlt_handle_abts_recv(vha, rsp, |
| (response_t *)pkt); |
| break; |
| } else { |
| qlt_24xx_process_atio_queue(vha, 1); |
| } |
| /* fall through */ |
| case ABTS_RESP_24XX: |
| case CTIO_TYPE7: |
| case CTIO_CRC2: |
| qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt); |
| break; |
| case PT_LS4_REQUEST: |
| qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt, |
| rsp->req); |
| break; |
| case NOTIFY_ACK_TYPE: |
| if (pkt->handle == QLA_TGT_SKIP_HANDLE) |
| qlt_response_pkt_all_vps(vha, rsp, |
| (response_t *)pkt); |
| else |
| qla24xxx_nack_iocb_entry(vha, rsp->req, |
| (struct nack_to_isp *)pkt); |
| break; |
| case MARKER_TYPE: |
| /* Do nothing in this case, this check is to prevent it |
| * from falling into default case |
| */ |
| break; |
| case ABORT_IOCB_TYPE: |
| qla24xx_abort_iocb_entry(vha, rsp->req, |
| (struct abort_entry_24xx *)pkt); |
| break; |
| case MBX_IOCB_TYPE: |
| qla24xx_mbx_iocb_entry(vha, rsp->req, |
| (struct mbx_24xx_entry *)pkt); |
| break; |
| case VP_CTRL_IOCB_TYPE: |
| qla_ctrlvp_completed(vha, rsp->req, |
| (struct vp_ctrl_entry_24xx *)pkt); |
| break; |
| default: |
| /* Type Not Supported. */ |
| ql_dbg(ql_dbg_async, vha, 0x5042, |
| "Received unknown response pkt type %x " |
| "entry status=%x.\n", |
| pkt->entry_type, pkt->entry_status); |
| break; |
| } |
| ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
| wmb(); |
| } |
| |
| /* Adjust ring index */ |
| if (IS_P3P_TYPE(ha)) { |
| struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; |
| WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index); |
| } else { |
| WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); |
| } |
| } |
| |
| static void |
| qla2xxx_check_risc_status(scsi_qla_host_t *vha) |
| { |
| int rval; |
| uint32_t cnt; |
| struct qla_hw_data *ha = vha->hw; |
| struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
| |
| if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) && |
| !IS_QLA27XX(ha)) |
| return; |
| |
| rval = QLA_SUCCESS; |
| WRT_REG_DWORD(®->iobase_addr, 0x7C00); |
| RD_REG_DWORD(®->iobase_addr); |
| WRT_REG_DWORD(®->iobase_window, 0x0001); |
| for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && |
| rval == QLA_SUCCESS; cnt--) { |
| if (cnt) { |
| WRT_REG_DWORD(®->iobase_window, 0x0001); |
| udelay(10); |
| } else |
| rval = QLA_FUNCTION_TIMEOUT; |
| } |
| if (rval == QLA_SUCCESS) |
| goto next_test; |
| |
| rval = QLA_SUCCESS; |
| WRT_REG_DWORD(®->iobase_window, 0x0003); |
| for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && |
| rval == QLA_SUCCESS; cnt--) { |
| if (cnt) { |
| WRT_REG_DWORD(®->iobase_window, 0x0003); |
| udelay(10); |
| } else |
| rval = QLA_FUNCTION_TIMEOUT; |
| } |
| if (rval != QLA_SUCCESS) |
| goto done; |
| |
| next_test: |
| if (RD_REG_DWORD(®->iobase_c8) & BIT_3) |
| ql_log(ql_log_info, vha, 0x504c, |
| "Additional code -- 0x55AA.\n"); |
| |
| done: |
| WRT_REG_DWORD(®->iobase_window, 0x0000); |
| RD_REG_DWORD(®->iobase_window); |
| } |
| |
| /** |
| * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx. |
| * @irq: |
| * @dev_id: SCSI driver HA context |
| * |
| * Called by system whenever the host adapter generates an interrupt. |
| * |
| * Returns handled flag. |
| */ |
| irqreturn_t |
| qla24xx_intr_handler(int irq, void *dev_id) |
| { |
| scsi_qla_host_t *vha; |
| struct qla_hw_data *ha; |
| struct device_reg_24xx __iomem *reg; |
| int status; |
| unsigned long iter; |
| uint32_t stat; |
| uint32_t hccr; |
| uint16_t mb[8]; |
| struct rsp_que *rsp; |
| unsigned long flags; |
| |
| rsp = (struct rsp_que *) dev_id; |
| if (!rsp) { |
| ql_log(ql_log_info, NULL, 0x5059, |
| "%s: NULL response queue pointer.\n", __func__); |
| return IRQ_NONE; |
| } |
| |
| ha = rsp->hw; |
| reg = &ha->iobase->isp24; |
| status = 0; |
| |
| if (unlikely(pci_channel_offline(ha->pdev))) |
| return IRQ_HANDLED; |
| |
| spin_lock_irqsave(&ha->hardware_lock, flags); |
| vha = pci_get_drvdata(ha->pdev); |
| for (iter = 50; iter--; ) { |
| stat = RD_REG_DWORD(®->host_status); |
| if (qla2x00_check_reg32_for_disconnect(vha, stat)) |
| break; |
| if (stat & HSRX_RISC_PAUSED) { |
| if (unlikely(pci_channel_offline(ha->pdev))) |
| break; |
| |
| hccr = RD_REG_DWORD(®->hccr); |
| |
| ql_log(ql_log_warn, vha, 0x504b, |
| "RISC paused -- HCCR=%x, Dumping firmware.\n", |
| hccr); |
| |
| qla2xxx_check_risc_status(vha); |
| |
| ha->isp_ops->fw_dump(vha, 1); |
| set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
| break; |
| } else if ((stat & HSRX_RISC_INT) == 0) |
| break; |
| |
| switch (stat & 0xff) { |
| case INTR_ROM_MB_SUCCESS: |
| case INTR_ROM_MB_FAILED: |
| case INTR_MB_SUCCESS: |
| case INTR_MB_FAILED: |
| qla24xx_mbx_completion(vha, MSW(stat)); |
| status |= MBX_INTERRUPT; |
| |
| break; |
| case INTR_ASYNC_EVENT: |
| mb[0] = MSW(stat); |
| mb[1] = RD_REG_WORD(®->mailbox1); |
| mb[2] = RD_REG_WORD(®->mailbox2); |
| mb[3] = RD_REG_WORD(®->mailbox3); |
| qla2x00_async_event(vha, rsp, mb); |
| break; |
| case INTR_RSP_QUE_UPDATE: |
| case INTR_RSP_QUE_UPDATE_83XX: |
| qla24xx_process_response_queue(vha, rsp); |
| break; |
| case INTR_ATIO_QUE_UPDATE_27XX: |
| case INTR_ATIO_QUE_UPDATE:{ |
| unsigned long flags2; |
| spin_lock_irqsave(&ha->tgt.atio_lock, flags2); |
| qlt_24xx_process_atio_queue(vha, 1); |
| spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2); |
| break; |
| } |
| case INTR_ATIO_RSP_QUE_UPDATE: { |
| unsigned long flags2; |
| spin_lock_irqsave(&ha->tgt.atio_lock, flags2); |
| qlt_24xx_process_atio_queue(vha, 1); |
| spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2); |
| |
| qla24xx_process_response_queue(vha, rsp); |
| break; |
| } |
| default: |
| ql_dbg(ql_dbg_async, vha, 0x504f, |
| "Unrecognized interrupt type (%d).\n", stat * 0xff); |
| break; |
| } |
| WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
| RD_REG_DWORD_RELAXED(®->hccr); |
| if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1))) |
| ndelay(3500); |
| } |
| qla2x00_handle_mbx_completion(ha, status); |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| |
| return IRQ_HANDLED; |
| } |
| |
| static irqreturn_t |
| qla24xx_msix_rsp_q(int irq, void *dev_id) |
| { |
| struct qla_hw_data *ha; |
| struct rsp_que *rsp; |
| struct device_reg_24xx __iomem *reg; |
| struct scsi_qla_host *vha; |
| unsigned long flags; |
| |
| rsp = (struct rsp_que *) dev_id; |
| if (!rsp) { |
| ql_log(ql_log_info, NULL, 0x505a, |
| "%s: NULL response queue pointer.\n", __func__); |
| return IRQ_NONE; |
| } |
| ha = rsp->hw; |
| reg = &ha->iobase->isp24; |
| |
| spin_lock_irqsave(&ha->hardware_lock, flags); |
| |
| vha = pci_get_drvdata(ha->pdev); |
| qla24xx_process_response_queue(vha, rsp); |
| if (!ha->flags.disable_msix_handshake) { |
| WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
| RD_REG_DWORD_RELAXED(®->hccr); |
| } |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| |
| return IRQ_HANDLED; |
| } |
| |
| static irqreturn_t |
| qla24xx_msix_default(int irq, void *dev_id) |
| { |
| scsi_qla_host_t *vha; |
| struct qla_hw_data *ha; |
| struct rsp_que *rsp; |
| struct device_reg_24xx __iomem *reg; |
| int status; |
| uint32_t stat; |
| uint32_t hccr; |
| uint16_t mb[8]; |
| unsigned long flags; |
| |
| rsp = (struct rsp_que *) dev_id; |
| if (!rsp) { |
| ql_log(ql_log_info, NULL, 0x505c, |
| "%s: NULL response queue pointer.\n", __func__); |
| return IRQ_NONE; |
| } |
| ha = rsp->hw; |
| reg = &ha->iobase->isp24; |
| status = 0; |
| |
| spin_lock_irqsave(&ha->hardware_lock, flags); |
| vha = pci_get_drvdata(ha->pdev); |
| do { |
| stat = RD_REG_DWORD(®->host_status); |
| if (qla2x00_check_reg32_for_disconnect(vha, stat)) |
| break; |
| if (stat & HSRX_RISC_PAUSED) { |
| if (unlikely(pci_channel_offline(ha->pdev))) |
| break; |
| |
| hccr = RD_REG_DWORD(®->hccr); |
| |
| ql_log(ql_log_info, vha, 0x5050, |
| "RISC paused -- HCCR=%x, Dumping firmware.\n", |
| hccr); |
| |
| qla2xxx_check_risc_status(vha); |
| |
| ha->isp_ops->fw_dump(vha, 1); |
| set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
| break; |
| } else if ((stat & HSRX_RISC_INT) == 0) |
| break; |
| |
| switch (stat & 0xff) { |
| case INTR_ROM_MB_SUCCESS: |
| case INTR_ROM_MB_FAILED: |
| case INTR_MB_SUCCESS: |
| case INTR_MB_FAILED: |
| qla24xx_mbx_completion(vha, MSW(stat)); |
| status |= MBX_INTERRUPT; |
| |
| break; |
| case INTR_ASYNC_EVENT: |
| mb[0] = MSW(stat); |
| mb[1] = RD_REG_WORD(®->mailbox1); |
| mb[2] = RD_REG_WORD(®->mailbox2); |
| mb[3] = RD_REG_WORD(®->mailbox3); |
| qla2x00_async_event(vha, rsp, mb); |
| break; |
| case INTR_RSP_QUE_UPDATE: |
| case INTR_RSP_QUE_UPDATE_83XX: |
| qla24xx_process_response_queue(vha, rsp); |
| break; |
| case INTR_ATIO_QUE_UPDATE_27XX: |
| case INTR_ATIO_QUE_UPDATE:{ |
| unsigned long flags2; |
| spin_lock_irqsave(&ha->tgt.atio_lock, flags2); |
| qlt_24xx_process_atio_queue(vha, 1); |
| spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2); |
| break; |
| } |
| case INTR_ATIO_RSP_QUE_UPDATE: { |
| unsigned long flags2; |
| spin_lock_irqsave(&ha->tgt.atio_lock, flags2); |
| qlt_24xx_process_atio_queue(vha, 1); |
| spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2); |
| |
| qla24xx_process_response_queue(vha, rsp); |
| break; |
| } |
| default: |
| ql_dbg(ql_dbg_async, vha, 0x5051, |
| "Unrecognized interrupt type (%d).\n", stat & 0xff); |
| break; |
| } |
| WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
| } while (0); |
| qla2x00_handle_mbx_completion(ha, status); |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| |
| return IRQ_HANDLED; |
| } |
| |
| irqreturn_t |
| qla2xxx_msix_rsp_q(int irq, void *dev_id) |
| { |
| struct qla_hw_data *ha; |
| struct qla_qpair *qpair; |
| struct device_reg_24xx __iomem *reg; |
| unsigned long flags; |
| |
| qpair = dev_id; |
| if (!qpair) { |
| ql_log(ql_log_info, NULL, 0x505b, |
| "%s: NULL response queue pointer.\n", __func__); |
| return IRQ_NONE; |
| } |
| ha = qpair->hw; |
| |
| /* Clear the interrupt, if enabled, for this response queue */ |
| if (unlikely(!ha->flags.disable_msix_handshake)) { |
| reg = &ha->iobase->isp24; |
| spin_lock_irqsave(&ha->hardware_lock, flags); |
| WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| } |
| |
| queue_work(ha->wq, &qpair->q_work); |
| |
| return IRQ_HANDLED; |
| } |
| |
| /* Interrupt handling helpers. */ |
| |
| struct qla_init_msix_entry { |
| const char *name; |
| irq_handler_t handler; |
| }; |
| |
| static const struct qla_init_msix_entry msix_entries[] = { |
| { "default", qla24xx_msix_default }, |
| { "rsp_q", qla24xx_msix_rsp_q }, |
| { "atio_q", qla83xx_msix_atio_q }, |
| { "qpair_multiq", qla2xxx_msix_rsp_q }, |
| }; |
| |
| static const struct qla_init_msix_entry qla82xx_msix_entries[] = { |
| { "qla2xxx (default)", qla82xx_msix_default }, |
| { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, |
| }; |
| |
| static int |
| qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) |
| { |
| int i, ret; |
| struct qla_msix_entry *qentry; |
| scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); |
| int min_vecs = QLA_BASE_VECTORS; |
| struct irq_affinity desc = { |
| .pre_vectors = QLA_BASE_VECTORS, |
| }; |
| |
| if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && |
| IS_ATIO_MSIX_CAPABLE(ha)) { |
| desc.pre_vectors++; |
| min_vecs++; |
| } |
| |
| if (USER_CTRL_IRQ(ha)) { |
| /* user wants to control IRQ setting for target mode */ |
| ret = pci_alloc_irq_vectors(ha->pdev, min_vecs, |
| ha->msix_count, PCI_IRQ_MSIX); |
| } else |
| ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs, |
| ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY, |
| &desc); |
| |
| if (ret < 0) { |
| ql_log(ql_log_fatal, vha, 0x00c7, |
| "MSI-X: Failed to enable support, " |
| "giving up -- %d/%d.\n", |
| ha->msix_count, ret); |
| goto msix_out; |
| } else if (ret < ha->msix_count) { |
| ql_log(ql_log_warn, vha, 0x00c6, |
| "MSI-X: Failed to enable support " |
| "with %d vectors, using %d vectors.\n", |
| ha->msix_count, ret); |
| ha->msix_count = ret; |
| /* Recalculate queue values */ |
| if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) { |
| ha->max_req_queues = ha->msix_count - 1; |
| |
| /* ATIOQ needs 1 vector. That's 1 less QPair */ |
| if (QLA_TGT_MODE_ENABLED()) |
| ha->max_req_queues--; |
| |
| ha->max_rsp_queues = ha->max_req_queues; |
| |
| ha->max_qpairs = ha->max_req_queues - 1; |
| ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190, |
| "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs); |
| } |
| } |
| ha->msix_entries = kcalloc(ha->msix_count, |
| sizeof(struct qla_msix_entry), |
| GFP_KERNEL); |
| if (!ha->msix_entries) { |
| ql_log(ql_log_fatal, vha, 0x00c8, |
| "Failed to allocate memory for ha->msix_entries.\n"); |
| ret = -ENOMEM; |
| goto msix_out; |
| } |
| ha->flags.msix_enabled = 1; |
| |
| for (i = 0; i < ha->msix_count; i++) { |
| qentry = &ha->msix_entries[i]; |
| qentry->vector = pci_irq_vector(ha->pdev, i); |
| qentry->entry = i; |
| qentry->have_irq = 0; |
| qentry->in_use = 0; |
| qentry->handle = NULL; |
| } |
| |
| /* Enable MSI-X vectors for the base queue */ |
| for (i = 0; i < QLA_BASE_VECTORS; i++) { |
| qentry = &ha->msix_entries[i]; |
| qentry->handle = rsp; |
| rsp->msix = qentry; |
| scnprintf(qentry->name, sizeof(qentry->name), |
| "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name); |
| if (IS_P3P_TYPE(ha)) |
| ret = request_irq(qentry->vector, |
| qla82xx_msix_entries[i].handler, |
| 0, qla82xx_msix_entries[i].name, rsp); |
| else |
| ret = request_irq(qentry->vector, |
| msix_entries[i].handler, |
| 0, qentry->name, rsp); |
| if (ret) |
| goto msix_register_fail; |
| qentry->have_irq = 1; |
| qentry->in_use = 1; |
| } |
| |
| /* |
| * If target mode is enable, also request the vector for the ATIO |
| * queue. |
| */ |
| if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && |
| IS_ATIO_MSIX_CAPABLE(ha)) { |
| qentry = &ha->msix_entries[QLA_ATIO_VECTOR]; |
| rsp->msix = qentry; |
| qentry->handle = rsp; |
| scnprintf(qentry->name, sizeof(qentry->name), |
| "qla2xxx%lu_%s", vha->host_no, |
| msix_entries[QLA_ATIO_VECTOR].name); |
| qentry->in_use = 1; |
| ret = request_irq(qentry->vector, |
| msix_entries[QLA_ATIO_VECTOR].handler, |
| 0, qentry->name, rsp); |
| qentry->have_irq = 1; |
| } |
| |
| msix_register_fail: |
| if (ret) { |
| ql_log(ql_log_fatal, vha, 0x00cb, |
| "MSI-X: unable to register handler -- %x/%d.\n", |
| qentry->vector, ret); |
| qla2x00_free_irqs(vha); |
| ha->mqenable = 0; |
| goto msix_out; |
| } |
| |
| /* Enable MSI-X vector for response queue update for queue 0 */ |
| if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { |
| if (ha->msixbase && ha->mqiobase && |
| (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || |
| ql2xmqsupport)) |
| ha->mqenable = 1; |
| } else |
| if (ha->mqiobase && |
| (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || |
| ql2xmqsupport)) |
| ha->mqenable = 1; |
| ql_dbg(ql_dbg_multiq, vha, 0xc005, |
| "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", |
| ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); |
| ql_dbg(ql_dbg_init, vha, 0x0055, |
| "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", |
| ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); |
| |
| msix_out: |
| return ret; |
| } |
| |
| int |
| qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) |
| { |
| int ret = QLA_FUNCTION_FAILED; |
| device_reg_t *reg = ha->iobase; |
| scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); |
| |
| /* If possible, enable MSI-X. */ |
| if (ql2xenablemsix == 0 || (!IS_QLA2432(ha) && !IS_QLA2532(ha) && |
| !IS_QLA8432(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && |
| !IS_QLAFX00(ha) && !IS_QLA27XX(ha))) |
| goto skip_msi; |
| |
| if (ql2xenablemsix == 2) |
| goto skip_msix; |
| |
| if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && |
| (ha->pdev->subsystem_device == 0x7040 || |
| ha->pdev->subsystem_device == 0x7041 || |
| ha->pdev->subsystem_device == 0x1705)) { |
| ql_log(ql_log_warn, vha, 0x0034, |
| "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n", |
| ha->pdev->subsystem_vendor, |
| ha->pdev->subsystem_device); |
| goto skip_msi; |
| } |
| |
| if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) { |
| ql_log(ql_log_warn, vha, 0x0035, |
| "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n", |
| ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX); |
| goto skip_msix; |
| } |
| |
| ret = qla24xx_enable_msix(ha, rsp); |
| if (!ret) { |
| ql_dbg(ql_dbg_init, vha, 0x0036, |
| "MSI-X: Enabled (0x%X, 0x%X).\n", |
| ha->chip_revision, ha->fw_attributes); |
| goto clear_risc_ints; |
| } |
| |
| skip_msix: |
| |
| ql_log(ql_log_info, vha, 0x0037, |
| "Falling back-to MSI mode -%d.\n", ret); |
| |
| if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && |
| !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) && |
| !IS_QLA27XX(ha)) |
| goto skip_msi; |
| |
| ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI); |
| if (!ret) { |
| ql_dbg(ql_dbg_init, vha, 0x0038, |
| "MSI: Enabled.\n"); |
| ha->flags.msi_enabled = 1; |
| } else |
| ql_log(ql_log_warn, vha, 0x0039, |
| "Falling back-to INTa mode -- %d.\n", ret); |
| skip_msi: |
| |
| /* Skip INTx on ISP82xx. */ |
| if (!ha->flags.msi_enabled && IS_QLA82XX(ha)) |
| return QLA_FUNCTION_FAILED; |
| |
| ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, |
| ha->flags.msi_enabled ? 0 : IRQF_SHARED, |
| QLA2XXX_DRIVER_NAME, rsp); |
| if (ret) { |
| ql_log(ql_log_warn, vha, 0x003a, |
| "Failed to reserve interrupt %d already in use.\n", |
| ha->pdev->irq); |
| goto fail; |
| } else if (!ha->flags.msi_enabled) { |
| ql_dbg(ql_dbg_init, vha, 0x0125, |
| "INTa mode: Enabled.\n"); |
| ha->flags.mr_intr_valid = 1; |
| } |
| |
| clear_risc_ints: |
| if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha)) |
| goto fail; |
| |
| spin_lock_irq(&ha->hardware_lock); |
| WRT_REG_WORD(®->isp.semaphore, 0); |
| spin_unlock_irq(&ha->hardware_lock); |
| |
| fail: |
| return ret; |
| } |
| |
| void |
| qla2x00_free_irqs(scsi_qla_host_t *vha) |
| { |
| struct qla_hw_data *ha = vha->hw; |
| struct rsp_que *rsp; |
| struct qla_msix_entry *qentry; |
| int i; |
| |
| /* |
| * We need to check that ha->rsp_q_map is valid in case we are called |
| * from a probe failure context. |
| */ |
| if (!ha->rsp_q_map || !ha->rsp_q_map[0]) |
| goto free_irqs; |
| rsp = ha->rsp_q_map[0]; |
| |
| if (ha->flags.msix_enabled) { |
| for (i = 0; i < ha->msix_count; i++) { |
| qentry = &ha->msix_entries[i]; |
| if (qentry->have_irq) { |
| irq_set_affinity_notifier(qentry->vector, NULL); |
| free_irq(pci_irq_vector(ha->pdev, i), qentry->handle); |
| } |
| } |
| kfree(ha->msix_entries); |
| ha->msix_entries = NULL; |
| ha->flags.msix_enabled = 0; |
| ql_dbg(ql_dbg_init, vha, 0x0042, |
| "Disabled MSI-X.\n"); |
| } else { |
| free_irq(pci_irq_vector(ha->pdev, 0), rsp); |
| } |
| |
| free_irqs: |
| pci_free_irq_vectors(ha->pdev); |
| } |
| |
| int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair, |
| struct qla_msix_entry *msix, int vector_type) |
| { |
| const struct qla_init_msix_entry *intr = &msix_entries[vector_type]; |
| scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); |
| int ret; |
| |
| scnprintf(msix->name, sizeof(msix->name), |
| "qla2xxx%lu_qpair%d", vha->host_no, qpair->id); |
| ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair); |
| if (ret) { |
| ql_log(ql_log_fatal, vha, 0x00e6, |
| "MSI-X: Unable to register handler -- %x/%d.\n", |
| msix->vector, ret); |
| return ret; |
| } |
| msix->have_irq = 1; |
| msix->handle = qpair; |
| return ret; |
| } |